Home / 84,681.20-127,048.24-50,984.16

Finding the Fourth Proportional to 84,681.20, 127,048.24 and 50,984.16

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Solution

The fourth proportional to 84,681.20, 127,048.24 and 50,984.16 is: 76,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.20 : 127,048.24 = 50,984.16 : x
  2. Step 2: Convert to fraction form
    84,681.20/127,048.24 = 50,984.16/x
  3. Step 3: Cross multiply
    84,681.20x = 127,048.24 × 50,984.16
  4. Step 4: Simplify right side
    84,681.20x = 6,477,447,795.88
  5. Step 5: Solve for x
    x = 6,477,447,795.88/84,681.20
  6. Step 6: Final answer
    x = 76,492.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.