Home / 90,526.66-135,746.10-53,098.96

Finding the Fourth Proportional to 90,526.66, 135,746.10 and 53,098.96

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Solution

The fourth proportional to 90,526.66, 135,746.10 and 53,098.96 is: 79,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,526.66 : 135,746.10 = 53,098.96 : x
  2. Step 2: Convert to fraction form
    90,526.66/135,746.10 = 53,098.96/x
  3. Step 3: Cross multiply
    90,526.66x = 135,746.10 × 53,098.96
  4. Step 4: Simplify right side
    90,526.66x = 7,207,976,734.06
  5. Step 5: Solve for x
    x = 7,207,976,734.06/90,526.66
  6. Step 6: Final answer
    x = 79,622.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.