Home / 107,948.48-148,986.88-62,653.28

Finding the Fourth Proportional to 107,948.48, 148,986.88 and 62,653.28

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Solution

The fourth proportional to 107,948.48, 148,986.88 and 62,653.28 is: 86,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,948.48 : 148,986.88 = 62,653.28 : x
  2. Step 2: Convert to fraction form
    107,948.48/148,986.88 = 62,653.28/x
  3. Step 3: Cross multiply
    107,948.48x = 148,986.88 × 62,653.28
  4. Step 4: Simplify right side
    107,948.48x = 9,334,516,708.97
  5. Step 5: Solve for x
    x = 9,334,516,708.97/107,948.48
  6. Step 6: Final answer
    x = 86,471.96

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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.