Home / 63,133.71-87,126.36-34,455.21

Finding the Fourth Proportional to 63,133.71, 87,126.36 and 34,455.21

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Solution

The fourth proportional to 63,133.71, 87,126.36 and 34,455.21 is: 47,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.71 : 87,126.36 = 34,455.21 : x
  2. Step 2: Convert to fraction form
    63,133.71/87,126.36 = 34,455.21/x
  3. Step 3: Cross multiply
    63,133.71x = 87,126.36 × 34,455.21
  4. Step 4: Simplify right side
    63,133.71x = 3,001,957,270.17
  5. Step 5: Solve for x
    x = 3,001,957,270.17/63,133.71
  6. Step 6: Final answer
    x = 47,549.20

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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.