Home / 66,127.52-91,233.78-37,443.26

Finding the Fourth Proportional to 66,127.52, 91,233.78 and 37,443.26

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Solution

The fourth proportional to 66,127.52, 91,233.78 and 37,443.26 is: 51,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.52 : 91,233.78 = 37,443.26 : x
  2. Step 2: Convert to fraction form
    66,127.52/91,233.78 = 37,443.26/x
  3. Step 3: Cross multiply
    66,127.52x = 91,233.78 × 37,443.26
  4. Step 4: Simplify right side
    66,127.52x = 3,416,090,145.32
  5. Step 5: Solve for x
    x = 3,416,090,145.32/66,127.52
  6. Step 6: Final answer
    x = 51,659.13

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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.