Home / 99,244.76-136,960.38-56,816.96

Finding the Fourth Proportional to 99,244.76, 136,960.38 and 56,816.96

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Solution

The fourth proportional to 99,244.76, 136,960.38 and 56,816.96 is: 78,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,244.76 : 136,960.38 = 56,816.96 : x
  2. Step 2: Convert to fraction form
    99,244.76/136,960.38 = 56,816.96/x
  3. Step 3: Cross multiply
    99,244.76x = 136,960.38 × 56,816.96
  4. Step 4: Simplify right side
    99,244.76x = 7,781,672,432.04
  5. Step 5: Solve for x
    x = 7,781,672,432.04/99,244.76
  6. Step 6: Final answer
    x = 78,408.90

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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.