Home / 63,129.04-87,122.99-36,280.91

Finding the Fourth Proportional to 63,129.04, 87,122.99 and 36,280.91

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Solution

The fourth proportional to 63,129.04, 87,122.99 and 36,280.91 is: 50,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.04 : 87,122.99 = 36,280.91 : x
  2. Step 2: Convert to fraction form
    63,129.04/87,122.99 = 36,280.91/x
  3. Step 3: Cross multiply
    63,129.04x = 87,122.99 × 36,280.91
  4. Step 4: Simplify right side
    63,129.04x = 3,160,901,667.63
  5. Step 5: Solve for x
    x = 3,160,901,667.63/63,129.04
  6. Step 6: Final answer
    x = 50,070.49

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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.