Home / 91,780.01-126,728.09-59,529.95

Finding the Fourth Proportional to 91,780.01, 126,728.09 and 59,529.95

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Solution

The fourth proportional to 91,780.01, 126,728.09 and 59,529.95 is: 82,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780.01 : 126,728.09 = 59,529.95 : x
  2. Step 2: Convert to fraction form
    91,780.01/126,728.09 = 59,529.95/x
  3. Step 3: Cross multiply
    91,780.01x = 126,728.09 × 59,529.95
  4. Step 4: Simplify right side
    91,780.01x = 7,544,116,861.30
  5. Step 5: Solve for x
    x = 7,544,116,861.30/91,780.01
  6. Step 6: Final answer
    x = 82,197.82

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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.