Home / 99,220.97-136,925.96-53,899.85

Finding the Fourth Proportional to 99,220.97, 136,925.96 and 53,899.85

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Solution

The fourth proportional to 99,220.97, 136,925.96 and 53,899.85 is: 74,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.97 : 136,925.96 = 53,899.85 : x
  2. Step 2: Convert to fraction form
    99,220.97/136,925.96 = 53,899.85/x
  3. Step 3: Cross multiply
    99,220.97x = 136,925.96 × 53,899.85
  4. Step 4: Simplify right side
    99,220.97x = 7,380,287,750.98
  5. Step 5: Solve for x
    x = 7,380,287,750.98/99,220.97
  6. Step 6: Final answer
    x = 74,382.34

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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.