Home / 55,543.13-76,569.78-39,599.90

Finding the Fourth Proportional to 55,543.13, 76,569.78 and 39,599.90

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Solution

The fourth proportional to 55,543.13, 76,569.78 and 39,599.90 is: 54,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.13 : 76,569.78 = 39,599.90 : x
  2. Step 2: Convert to fraction form
    55,543.13/76,569.78 = 39,599.90/x
  3. Step 3: Cross multiply
    55,543.13x = 76,569.78 × 39,599.90
  4. Step 4: Simplify right side
    55,543.13x = 3,032,155,631.02
  5. Step 5: Solve for x
    x = 3,032,155,631.02/55,543.13
  6. Step 6: Final answer
    x = 54,591.01

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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.