Home / 90,095.68-135,130.56-52,672.96

Finding the Fourth Proportional to 90,095.68, 135,130.56 and 52,672.96

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Solution

The fourth proportional to 90,095.68, 135,130.56 and 52,672.96 is: 79,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.68 : 135,130.56 = 52,672.96 : x
  2. Step 2: Convert to fraction form
    90,095.68/135,130.56 = 52,672.96/x
  3. Step 3: Cross multiply
    90,095.68x = 135,130.56 × 52,672.96
  4. Step 4: Simplify right side
    90,095.68x = 7,117,726,581.66
  5. Step 5: Solve for x
    x = 7,117,726,581.66/90,095.68
  6. Step 6: Final answer
    x = 79,001.86

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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.