Home / 55,374.10-83,061.15-45,532.60

Finding the Fourth Proportional to 55,374.10, 83,061.15 and 45,532.60

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Solution

The fourth proportional to 55,374.10, 83,061.15 and 45,532.60 is: 68,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.10 : 83,061.15 = 45,532.60 : x
  2. Step 2: Convert to fraction form
    55,374.10/83,061.15 = 45,532.60/x
  3. Step 3: Cross multiply
    55,374.10x = 83,061.15 × 45,532.60
  4. Step 4: Simplify right side
    55,374.10x = 3,781,990,118.49
  5. Step 5: Solve for x
    x = 3,781,990,118.49/55,374.10
  6. Step 6: Final answer
    x = 68,298.90

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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.