Home / 88,981.16-122,790.30-48,693.92

Finding the Fourth Proportional to 88,981.16, 122,790.30 and 48,693.92

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Solution

The fourth proportional to 88,981.16, 122,790.30 and 48,693.92 is: 67,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.16 : 122,790.30 = 48,693.92 : x
  2. Step 2: Convert to fraction form
    88,981.16/122,790.30 = 48,693.92/x
  3. Step 3: Cross multiply
    88,981.16x = 122,790.30 × 48,693.92
  4. Step 4: Simplify right side
    88,981.16x = 5,979,141,044.98
  5. Step 5: Solve for x
    x = 5,979,141,044.98/88,981.16
  6. Step 6: Final answer
    x = 67,195.58

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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.