Home / 94,711.20-130,683.96-60,725.76

Finding the Fourth Proportional to 94,711.20, 130,683.96 and 60,725.76

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Solution

The fourth proportional to 94,711.20, 130,683.96 and 60,725.76 is: 83,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,711.20 : 130,683.96 = 60,725.76 : x
  2. Step 2: Convert to fraction form
    94,711.20/130,683.96 = 60,725.76/x
  3. Step 3: Cross multiply
    94,711.20x = 130,683.96 × 60,725.76
  4. Step 4: Simplify right side
    94,711.20x = 7,935,882,790.81
  5. Step 5: Solve for x
    x = 7,935,882,790.81/94,711.20
  6. Step 6: Final answer
    x = 83,790.33

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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.