Home / 88,671.18-122,366.57-48,385.77

Finding the Fourth Proportional to 88,671.18, 122,366.57 and 48,385.77

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Solution

The fourth proportional to 88,671.18, 122,366.57 and 48,385.77 is: 66,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.18 : 122,366.57 = 48,385.77 : x
  2. Step 2: Convert to fraction form
    88,671.18/122,366.57 = 48,385.77/x
  3. Step 3: Cross multiply
    88,671.18x = 122,366.57 × 48,385.77
  4. Step 4: Simplify right side
    88,671.18x = 5,920,800,711.71
  5. Step 5: Solve for x
    x = 5,920,800,711.71/88,671.18
  6. Step 6: Final answer
    x = 66,772.55

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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.