Home / 99,426.44-137,204.34-54,711.56

Finding the Fourth Proportional to 99,426.44, 137,204.34 and 54,711.56

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Solution

The fourth proportional to 99,426.44, 137,204.34 and 54,711.56 is: 75,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.44 : 137,204.34 = 54,711.56 : x
  2. Step 2: Convert to fraction form
    99,426.44/137,204.34 = 54,711.56/x
  3. Step 3: Cross multiply
    99,426.44x = 137,204.34 × 54,711.56
  4. Step 4: Simplify right side
    99,426.44x = 7,506,663,480.17
  5. Step 5: Solve for x
    x = 7,506,663,480.17/99,426.44
  6. Step 6: Final answer
    x = 75,499.67

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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.