Home / 89,711.02-123,800.63-49,423.85

Finding the Fourth Proportional to 89,711.02, 123,800.63 and 49,423.85

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Solution

The fourth proportional to 89,711.02, 123,800.63 and 49,423.85 is: 68,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711.02 : 123,800.63 = 49,423.85 : x
  2. Step 2: Convert to fraction form
    89,711.02/123,800.63 = 49,423.85/x
  3. Step 3: Cross multiply
    89,711.02x = 123,800.63 × 49,423.85
  4. Step 4: Simplify right side
    89,711.02x = 6,118,703,767.03
  5. Step 5: Solve for x
    x = 6,118,703,767.03/89,711.02
  6. Step 6: Final answer
    x = 68,204.59

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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.