Home / 84,960.20-127,356.60-47,538.20

Finding the Fourth Proportional to 84,960.20, 127,356.60 and 47,538.20

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Solution

The fourth proportional to 84,960.20, 127,356.60 and 47,538.20 is: 71,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.20 : 127,356.60 = 47,538.20 : x
  2. Step 2: Convert to fraction form
    84,960.20/127,356.60 = 47,538.20/x
  3. Step 3: Cross multiply
    84,960.20x = 127,356.60 × 47,538.20
  4. Step 4: Simplify right side
    84,960.20x = 6,054,303,522.12
  5. Step 5: Solve for x
    x = 6,054,303,522.12/84,960.20
  6. Step 6: Final answer
    x = 71,260.47

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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.