Home / 89,909.42-124,116.99-52,176.38

Finding the Fourth Proportional to 89,909.42, 124,116.99 and 52,176.38

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Solution

The fourth proportional to 89,909.42, 124,116.99 and 52,176.38 is: 72,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.42 : 124,116.99 = 52,176.38 : x
  2. Step 2: Convert to fraction form
    89,909.42/124,116.99 = 52,176.38/x
  3. Step 3: Cross multiply
    89,909.42x = 124,116.99 × 52,176.38
  4. Step 4: Simplify right side
    89,909.42x = 6,475,975,234.70
  5. Step 5: Solve for x
    x = 6,475,975,234.70/89,909.42
  6. Step 6: Final answer
    x = 72,027.77

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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.