Home / 113,011.36-155,951.28-62,713.60

Finding the Fourth Proportional to 113,011.36, 155,951.28 and 62,713.60

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Solution

The fourth proportional to 113,011.36, 155,951.28 and 62,713.60 is: 86,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.36 : 155,951.28 = 62,713.60 : x
  2. Step 2: Convert to fraction form
    113,011.36/155,951.28 = 62,713.60/x
  3. Step 3: Cross multiply
    113,011.36x = 155,951.28 × 62,713.60
  4. Step 4: Simplify right side
    113,011.36x = 9,780,266,193.41
  5. Step 5: Solve for x
    x = 9,780,266,193.41/113,011.36
  6. Step 6: Final answer
    x = 86,542.33

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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.