Home / 88,409.15-122,007.29-54,437.24

Finding the Fourth Proportional to 88,409.15, 122,007.29 and 54,437.24

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Solution

The fourth proportional to 88,409.15, 122,007.29 and 54,437.24 is: 75,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,409.15 : 122,007.29 = 54,437.24 : x
  2. Step 2: Convert to fraction form
    88,409.15/122,007.29 = 54,437.24/x
  3. Step 3: Cross multiply
    88,409.15x = 122,007.29 × 54,437.24
  4. Step 4: Simplify right side
    88,409.15x = 6,641,740,160.31
  5. Step 5: Solve for x
    x = 6,641,740,160.31/88,409.15
  6. Step 6: Final answer
    x = 75,125.04

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1.5x scale

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.