Home / 107,258.43-148,038.17-61,943.79

Finding the Fourth Proportional to 107,258.43, 148,038.17 and 61,943.79

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Solution

The fourth proportional to 107,258.43, 148,038.17 and 61,943.79 is: 85,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,258.43 : 148,038.17 = 61,943.79 : x
  2. Step 2: Convert to fraction form
    107,258.43/148,038.17 = 61,943.79/x
  3. Step 3: Cross multiply
    107,258.43x = 148,038.17 × 61,943.79
  4. Step 4: Simplify right side
    107,258.43x = 9,170,045,314.46
  5. Step 5: Solve for x
    x = 9,170,045,314.46/107,258.43
  6. Step 6: Final answer
    x = 85,494.87

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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.