Home / 99,247.56-136,981.17-56,834.34

Finding the Fourth Proportional to 99,247.56, 136,981.17 and 56,834.34

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Solution

The fourth proportional to 99,247.56, 136,981.17 and 56,834.34 is: 78,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.56 : 136,981.17 = 56,834.34 : x
  2. Step 2: Convert to fraction form
    99,247.56/136,981.17 = 56,834.34/x
  3. Step 3: Cross multiply
    99,247.56x = 136,981.17 × 56,834.34
  4. Step 4: Simplify right side
    99,247.56x = 7,785,234,389.38
  5. Step 5: Solve for x
    x = 7,785,234,389.38/99,247.56
  6. Step 6: Final answer
    x = 78,442.58

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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.