Home / 70,925.57-97,876.65-38,660.18

Finding the Fourth Proportional to 70,925.57, 97,876.65 and 38,660.18

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Solution

The fourth proportional to 70,925.57, 97,876.65 and 38,660.18 is: 53,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.57 : 97,876.65 = 38,660.18 : x
  2. Step 2: Convert to fraction form
    70,925.57/97,876.65 = 38,660.18/x
  3. Step 3: Cross multiply
    70,925.57x = 97,876.65 × 38,660.18
  4. Step 4: Simplify right side
    70,925.57x = 3,783,929,151.49
  5. Step 5: Solve for x
    x = 3,783,929,151.49/70,925.57
  6. Step 6: Final answer
    x = 53,350.70

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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.