Home / 99,208.82-136,909.17-53,887.70

Finding the Fourth Proportional to 99,208.82, 136,909.17 and 53,887.70

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Solution

The fourth proportional to 99,208.82, 136,909.17 and 53,887.70 is: 74,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.82 : 136,909.17 = 53,887.70 : x
  2. Step 2: Convert to fraction form
    99,208.82/136,909.17 = 53,887.70/x
  3. Step 3: Cross multiply
    99,208.82x = 136,909.17 × 53,887.70
  4. Step 4: Simplify right side
    99,208.82x = 7,377,720,280.21
  5. Step 5: Solve for x
    x = 7,377,720,280.21/99,208.82
  6. Step 6: Final answer
    x = 74,365.57

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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.