Home / 87,263.55-130,304.18-69,292.53

Finding the Fourth Proportional to 87,263.55, 130,304.18 and 69,292.53

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Solution

The fourth proportional to 87,263.55, 130,304.18 and 69,292.53 is: 103,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.55 : 130,304.18 = 69,292.53 : x
  2. Step 2: Convert to fraction form
    87,263.55/130,304.18 = 69,292.53/x
  3. Step 3: Cross multiply
    87,263.55x = 130,304.18 × 69,292.53
  4. Step 4: Simplify right side
    87,263.55x = 9,029,106,475.01
  5. Step 5: Solve for x
    x = 9,029,106,475.01/87,263.55
  6. Step 6: Final answer
    x = 103,469.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.