Home / 91,306.08-126,041.18-55,507.52

Finding the Fourth Proportional to 91,306.08, 126,041.18 and 55,507.52

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Solution

The fourth proportional to 91,306.08, 126,041.18 and 55,507.52 is: 76,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,306.08 : 126,041.18 = 55,507.52 : x
  2. Step 2: Convert to fraction form
    91,306.08/126,041.18 = 55,507.52/x
  3. Step 3: Cross multiply
    91,306.08x = 126,041.18 × 55,507.52
  4. Step 4: Simplify right side
    91,306.08x = 6,996,233,319.67
  5. Step 5: Solve for x
    x = 6,996,233,319.67/91,306.08
  6. Step 6: Final answer
    x = 76,623.96

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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.