Home / 60,240.28-83,121.48-40,127.16

Finding the Fourth Proportional to 60,240.28, 83,121.48 and 40,127.16

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Solution

The fourth proportional to 60,240.28, 83,121.48 and 40,127.16 is: 55,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,240.28 : 83,121.48 = 40,127.16 : x
  2. Step 2: Convert to fraction form
    60,240.28/83,121.48 = 40,127.16/x
  3. Step 3: Cross multiply
    60,240.28x = 83,121.48 × 40,127.16
  4. Step 4: Simplify right side
    60,240.28x = 3,335,428,927.40
  5. Step 5: Solve for x
    x = 3,335,428,927.40/60,240.28
  6. Step 6: Final answer
    x = 55,368.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.