Home / 99,591.72-137,466.90-59,312.04

Finding the Fourth Proportional to 99,591.72, 137,466.90 and 59,312.04

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Solution

The fourth proportional to 99,591.72, 137,466.90 and 59,312.04 is: 81,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591.72 : 137,466.90 = 59,312.04 : x
  2. Step 2: Convert to fraction form
    99,591.72/137,466.90 = 59,312.04/x
  3. Step 3: Cross multiply
    99,591.72x = 137,466.90 × 59,312.04
  4. Step 4: Simplify right side
    99,591.72x = 8,153,442,271.48
  5. Step 5: Solve for x
    x = 8,153,442,271.48/99,591.72
  6. Step 6: Final answer
    x = 81,868.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.