Home / 69,861.77-96,408.76-38,030.59

Finding the Fourth Proportional to 69,861.77, 96,408.76 and 38,030.59

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Solution

The fourth proportional to 69,861.77, 96,408.76 and 38,030.59 is: 52,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,861.77 : 96,408.76 = 38,030.59 : x
  2. Step 2: Convert to fraction form
    69,861.77/96,408.76 = 38,030.59/x
  3. Step 3: Cross multiply
    69,861.77x = 96,408.76 × 38,030.59
  4. Step 4: Simplify right side
    69,861.77x = 3,666,482,023.97
  5. Step 5: Solve for x
    x = 3,666,482,023.97/69,861.77
  6. Step 6: Final answer
    x = 52,481.95

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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.