Home / 90,569.17-135,810.04-37,964.53

Finding the Fourth Proportional to 90,569.17, 135,810.04 and 37,964.53

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Solution

The fourth proportional to 90,569.17, 135,810.04 and 37,964.53 is: 56,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,569.17 : 135,810.04 = 37,964.53 : x
  2. Step 2: Convert to fraction form
    90,569.17/135,810.04 = 37,964.53/x
  3. Step 3: Cross multiply
    90,569.17x = 135,810.04 × 37,964.53
  4. Step 4: Simplify right side
    90,569.17x = 5,155,964,337.88
  5. Step 5: Solve for x
    x = 5,155,964,337.88/90,569.17
  6. Step 6: Final answer
    x = 56,928.47

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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.