Home / 63,669.18-87,865.04-34,988.62

Finding the Fourth Proportional to 63,669.18, 87,865.04 and 34,988.62

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Solution

The fourth proportional to 63,669.18, 87,865.04 and 34,988.62 is: 48,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.18 : 87,865.04 = 34,988.62 : x
  2. Step 2: Convert to fraction form
    63,669.18/87,865.04 = 34,988.62/x
  3. Step 3: Cross multiply
    63,669.18x = 87,865.04 × 34,988.62
  4. Step 4: Simplify right side
    63,669.18x = 3,074,276,320.90
  5. Step 5: Solve for x
    x = 3,074,276,320.90/63,669.18
  6. Step 6: Final answer
    x = 48,285.16

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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.