Home / 89,777.68-134,672.04-37,191.28

Finding the Fourth Proportional to 89,777.68, 134,672.04 and 37,191.28

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Solution

The fourth proportional to 89,777.68, 134,672.04 and 37,191.28 is: 55,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.68 : 134,672.04 = 37,191.28 : x
  2. Step 2: Convert to fraction form
    89,777.68/134,672.04 = 37,191.28/x
  3. Step 3: Cross multiply
    89,777.68x = 134,672.04 × 37,191.28
  4. Step 4: Simplify right side
    89,777.68x = 5,008,625,547.81
  5. Step 5: Solve for x
    x = 5,008,625,547.81/89,777.68
  6. Step 6: Final answer
    x = 55,789.21

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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.