Home / 89,711.10-134,501.85-50,280.30

Finding the Fourth Proportional to 89,711.10, 134,501.85 and 50,280.30

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Solution

The fourth proportional to 89,711.10, 134,501.85 and 50,280.30 is: 75,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711.10 : 134,501.85 = 50,280.30 : x
  2. Step 2: Convert to fraction form
    89,711.10/134,501.85 = 50,280.30/x
  3. Step 3: Cross multiply
    89,711.10x = 134,501.85 × 50,280.30
  4. Step 4: Simplify right side
    89,711.10x = 6,762,793,368.56
  5. Step 5: Solve for x
    x = 6,762,793,368.56/89,711.10
  6. Step 6: Final answer
    x = 75,384.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.