Home / 107,490.57-148,330.62-59,742.29

Finding the Fourth Proportional to 107,490.57, 148,330.62 and 59,742.29

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Solution

The fourth proportional to 107,490.57, 148,330.62 and 59,742.29 is: 82,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,490.57 : 148,330.62 = 59,742.29 : x
  2. Step 2: Convert to fraction form
    107,490.57/148,330.62 = 59,742.29/x
  3. Step 3: Cross multiply
    107,490.57x = 148,330.62 × 59,742.29
  4. Step 4: Simplify right side
    107,490.57x = 8,861,610,174.27
  5. Step 5: Solve for x
    x = 8,861,610,174.27/107,490.57
  6. Step 6: Final answer
    x = 82,440.81

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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.