Home / 107,453.60-148,243.52-62,123.28

Finding the Fourth Proportional to 107,453.60, 148,243.52 and 62,123.28

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Solution

The fourth proportional to 107,453.60, 148,243.52 and 62,123.28 is: 85,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,453.60 : 148,243.52 = 62,123.28 : x
  2. Step 2: Convert to fraction form
    107,453.60/148,243.52 = 62,123.28/x
  3. Step 3: Cross multiply
    107,453.60x = 148,243.52 × 62,123.28
  4. Step 4: Simplify right side
    107,453.60x = 9,209,373,701.15
  5. Step 5: Solve for x
    x = 9,209,373,701.15/107,453.60
  6. Step 6: Final answer
    x = 85,705.59

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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.