Home / 87,922.74-121,333.32-47,636.22

Finding the Fourth Proportional to 87,922.74, 121,333.32 and 47,636.22

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Solution

The fourth proportional to 87,922.74, 121,333.32 and 47,636.22 is: 65,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.74 : 121,333.32 = 47,636.22 : x
  2. Step 2: Convert to fraction form
    87,922.74/121,333.32 = 47,636.22/x
  3. Step 3: Cross multiply
    87,922.74x = 121,333.32 × 47,636.22
  4. Step 4: Simplify right side
    87,922.74x = 5,779,860,724.85
  5. Step 5: Solve for x
    x = 5,779,860,724.85/87,922.74
  6. Step 6: Final answer
    x = 65,737.95

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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.