Home / 84,731.40-127,014.48-40,346.24

Finding the Fourth Proportional to 84,731.40, 127,014.48 and 40,346.24

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Solution

The fourth proportional to 84,731.40, 127,014.48 and 40,346.24 is: 60,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.40 : 127,014.48 = 40,346.24 : x
  2. Step 2: Convert to fraction form
    84,731.40/127,014.48 = 40,346.24/x
  3. Step 3: Cross multiply
    84,731.40x = 127,014.48 × 40,346.24
  4. Step 4: Simplify right side
    84,731.40x = 5,124,556,693.56
  5. Step 5: Solve for x
    x = 5,124,556,693.56/84,731.40
  6. Step 6: Final answer
    x = 60,480.02

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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.