Home / 99,220.22-136,924.98-53,898.74

Finding the Fourth Proportional to 99,220.22, 136,924.98 and 53,898.74

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Solution

The fourth proportional to 99,220.22, 136,924.98 and 53,898.74 is: 74,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.22 : 136,924.98 = 53,898.74 : x
  2. Step 2: Convert to fraction form
    99,220.22/136,924.98 = 53,898.74/x
  3. Step 3: Cross multiply
    99,220.22x = 136,924.98 × 53,898.74
  4. Step 4: Simplify right side
    99,220.22x = 7,380,083,896.53
  5. Step 5: Solve for x
    x = 7,380,083,896.53/99,220.22
  6. Step 6: Final answer
    x = 74,380.85

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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.