Home / 88,619.10-133,025.85-55,376.70

Finding the Fourth Proportional to 88,619.10, 133,025.85 and 55,376.70

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Solution

The fourth proportional to 88,619.10, 133,025.85 and 55,376.70 is: 83,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,619.10 : 133,025.85 = 55,376.70 : x
  2. Step 2: Convert to fraction form
    88,619.10/133,025.85 = 55,376.70/x
  3. Step 3: Cross multiply
    88,619.10x = 133,025.85 × 55,376.70
  4. Step 4: Simplify right side
    88,619.10x = 7,366,532,587.70
  5. Step 5: Solve for x
    x = 7,366,532,587.70/88,619.10
  6. Step 6: Final answer
    x = 83,125.79

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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.