Home / 91,944.40-126,896.92-56,154.96

Finding the Fourth Proportional to 91,944.40, 126,896.92 and 56,154.96

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Solution

The fourth proportional to 91,944.40, 126,896.92 and 56,154.96 is: 77,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,944.40 : 126,896.92 = 56,154.96 : x
  2. Step 2: Convert to fraction form
    91,944.40/126,896.92 = 56,154.96/x
  3. Step 3: Cross multiply
    91,944.40x = 126,896.92 × 56,154.96
  4. Step 4: Simplify right side
    91,944.40x = 7,125,891,466.72
  5. Step 5: Solve for x
    x = 7,125,891,466.72/91,944.40
  6. Step 6: Final answer
    x = 77,502.18

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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.