Home / 77,725.28-116,604.42-25,130.76

Finding the Fourth Proportional to 77,725.28, 116,604.42 and 25,130.76

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Solution

The fourth proportional to 77,725.28, 116,604.42 and 25,130.76 is: 37,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.28 : 116,604.42 = 25,130.76 : x
  2. Step 2: Convert to fraction form
    77,725.28/116,604.42 = 25,130.76/x
  3. Step 3: Cross multiply
    77,725.28x = 116,604.42 × 25,130.76
  4. Step 4: Simplify right side
    77,725.28x = 2,930,357,693.96
  5. Step 5: Solve for x
    x = 2,930,357,693.96/77,725.28
  6. Step 6: Final answer
    x = 37,701.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.