Home / 107,928.40-148,938.28-62,603.52

Finding the Fourth Proportional to 107,928.40, 148,938.28 and 62,603.52

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Solution

The fourth proportional to 107,928.40, 148,938.28 and 62,603.52 is: 86,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.40 : 148,938.28 = 62,603.52 : x
  2. Step 2: Convert to fraction form
    107,928.40/148,938.28 = 62,603.52/x
  3. Step 3: Cross multiply
    107,928.40x = 148,938.28 × 62,603.52
  4. Step 4: Simplify right side
    107,928.40x = 9,324,060,590.75
  5. Step 5: Solve for x
    x = 9,324,060,590.75/107,928.40
  6. Step 6: Final answer
    x = 86,391.17

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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.