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Finding the Fourth Proportional to 64,177.71, 88,538.12 and 42,963.81

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Solution

The fourth proportional to 64,177.71, 88,538.12 and 42,963.81 is: 59,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,177.71 : 88,538.12 = 42,963.81 : x
  2. Step 2: Convert to fraction form
    64,177.71/88,538.12 = 42,963.81/x
  3. Step 3: Cross multiply
    64,177.71x = 88,538.12 × 42,963.81
  4. Step 4: Simplify right side
    64,177.71x = 3,803,935,294.19
  5. Step 5: Solve for x
    x = 3,803,935,294.19/64,177.71
  6. Step 6: Final answer
    x = 59,271.91

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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.