Home / 97,631.76-134,710.08-63,637.20

Finding the Fourth Proportional to 97,631.76, 134,710.08 and 63,637.20

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Solution

The fourth proportional to 97,631.76, 134,710.08 and 63,637.20 is: 87,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.76 : 134,710.08 = 63,637.20 : x
  2. Step 2: Convert to fraction form
    97,631.76/134,710.08 = 63,637.20/x
  3. Step 3: Cross multiply
    97,631.76x = 134,710.08 × 63,637.20
  4. Step 4: Simplify right side
    97,631.76x = 8,572,572,302.98
  5. Step 5: Solve for x
    x = 8,572,572,302.98/97,631.76
  6. Step 6: Final answer
    x = 87,805.16

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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.