Home / 115,601.68-159,547.26-67,881.16

Finding the Fourth Proportional to 115,601.68, 159,547.26 and 67,881.16

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Solution

The fourth proportional to 115,601.68, 159,547.26 and 67,881.16 is: 93,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.68 : 159,547.26 = 67,881.16 : x
  2. Step 2: Convert to fraction form
    115,601.68/159,547.26 = 67,881.16/x
  3. Step 3: Cross multiply
    115,601.68x = 159,547.26 × 67,881.16
  4. Step 4: Simplify right side
    115,601.68x = 10,830,253,083.62
  5. Step 5: Solve for x
    x = 10,830,253,083.62/115,601.68
  6. Step 6: Final answer
    x = 93,685.95

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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.