Home / 88,153.23-121,686.18-59,489.86

Finding the Fourth Proportional to 88,153.23, 121,686.18 and 59,489.86

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Solution

The fourth proportional to 88,153.23, 121,686.18 and 59,489.86 is: 82,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,153.23 : 121,686.18 = 59,489.86 : x
  2. Step 2: Convert to fraction form
    88,153.23/121,686.18 = 59,489.86/x
  3. Step 3: Cross multiply
    88,153.23x = 121,686.18 × 59,489.86
  4. Step 4: Simplify right side
    88,153.23x = 7,239,093,847.62
  5. Step 5: Solve for x
    x = 7,239,093,847.62/88,153.23
  6. Step 6: Final answer
    x = 82,119.44

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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.