Home / 99,220.20-136,926.34-53,898.17

Finding the Fourth Proportional to 99,220.20, 136,926.34 and 53,898.17

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Solution

The fourth proportional to 99,220.20, 136,926.34 and 53,898.17 is: 74,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.20 : 136,926.34 = 53,898.17 : x
  2. Step 2: Convert to fraction form
    99,220.20/136,926.34 = 53,898.17/x
  3. Step 3: Cross multiply
    99,220.20x = 136,926.34 × 53,898.17
  4. Step 4: Simplify right side
    99,220.20x = 7,380,078,466.17
  5. Step 5: Solve for x
    x = 7,380,078,466.17/99,220.20
  6. Step 6: Final answer
    x = 74,380.81

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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.