Home / 99,125.53-136,793.42-56,684.05

Finding the Fourth Proportional to 99,125.53, 136,793.42 and 56,684.05

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Solution

The fourth proportional to 99,125.53, 136,793.42 and 56,684.05 is: 78,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,125.53 : 136,793.42 = 56,684.05 : x
  2. Step 2: Convert to fraction form
    99,125.53/136,793.42 = 56,684.05/x
  3. Step 3: Cross multiply
    99,125.53x = 136,793.42 × 56,684.05
  4. Step 4: Simplify right side
    99,125.53x = 7,754,005,058.95
  5. Step 5: Solve for x
    x = 7,754,005,058.95/99,125.53
  6. Step 6: Final answer
    x = 78,224.10

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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.