Home / 107,672.36-148,565.28-62,347.72

Finding the Fourth Proportional to 107,672.36, 148,565.28 and 62,347.72

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Solution

The fourth proportional to 107,672.36, 148,565.28 and 62,347.72 is: 86,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.36 : 148,565.28 = 62,347.72 : x
  2. Step 2: Convert to fraction form
    107,672.36/148,565.28 = 62,347.72/x
  3. Step 3: Cross multiply
    107,672.36x = 148,565.28 × 62,347.72
  4. Step 4: Simplify right side
    107,672.36x = 9,262,706,479.16
  5. Step 5: Solve for x
    x = 9,262,706,479.16/107,672.36
  6. Step 6: Final answer
    x = 86,026.78

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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.