Home / 91,204.46-136,854.06-69,011.24

Finding the Fourth Proportional to 91,204.46, 136,854.06 and 69,011.24

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Solution

The fourth proportional to 91,204.46, 136,854.06 and 69,011.24 is: 103,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204.46 : 136,854.06 = 69,011.24 : x
  2. Step 2: Convert to fraction form
    91,204.46/136,854.06 = 69,011.24/x
  3. Step 3: Cross multiply
    91,204.46x = 136,854.06 × 69,011.24
  4. Step 4: Simplify right side
    91,204.46x = 9,444,468,379.63
  5. Step 5: Solve for x
    x = 9,444,468,379.63/91,204.46
  6. Step 6: Final answer
    x = 103,552.70

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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.