Home / 88,410.15-122,008.67-54,438.24

Finding the Fourth Proportional to 88,410.15, 122,008.67 and 54,438.24

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Solution

The fourth proportional to 88,410.15, 122,008.67 and 54,438.24 is: 75,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.15 : 122,008.67 = 54,438.24 : x
  2. Step 2: Convert to fraction form
    88,410.15/122,008.67 = 54,438.24/x
  3. Step 3: Cross multiply
    88,410.15x = 122,008.67 × 54,438.24
  4. Step 4: Simplify right side
    88,410.15x = 6,641,937,259.54
  5. Step 5: Solve for x
    x = 6,641,937,259.54/88,410.15
  6. Step 6: Final answer
    x = 75,126.41

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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.