Home / 107,637.76-148,561.92-62,940.16

Finding the Fourth Proportional to 107,637.76, 148,561.92 and 62,940.16

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Solution

The fourth proportional to 107,637.76, 148,561.92 and 62,940.16 is: 86,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637.76 : 148,561.92 = 62,940.16 : x
  2. Step 2: Convert to fraction form
    107,637.76/148,561.92 = 62,940.16/x
  3. Step 3: Cross multiply
    107,637.76x = 148,561.92 × 62,940.16
  4. Step 4: Simplify right side
    107,637.76x = 9,350,511,014.71
  5. Step 5: Solve for x
    x = 9,350,511,014.71/107,637.76
  6. Step 6: Final answer
    x = 86,870.17

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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.