Home / 70,925.85-97,876.33-38,660.77

Finding the Fourth Proportional to 70,925.85, 97,876.33 and 38,660.77

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Solution

The fourth proportional to 70,925.85, 97,876.33 and 38,660.77 is: 53,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.85 : 97,876.33 = 38,660.77 : x
  2. Step 2: Convert to fraction form
    70,925.85/97,876.33 = 38,660.77/x
  3. Step 3: Cross multiply
    70,925.85x = 97,876.33 × 38,660.77
  4. Step 4: Simplify right side
    70,925.85x = 3,783,974,282.57
  5. Step 5: Solve for x
    x = 3,783,974,282.57/70,925.85
  6. Step 6: Final answer
    x = 53,351.13

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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.