Home / 121,095.90-181,643.94-57,901.16

Finding the Fourth Proportional to 121,095.90, 181,643.94 and 57,901.16

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Solution

The fourth proportional to 121,095.90, 181,643.94 and 57,901.16 is: 86,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,095.90 : 181,643.94 = 57,901.16 : x
  2. Step 2: Convert to fraction form
    121,095.90/181,643.94 = 57,901.16/x
  3. Step 3: Cross multiply
    121,095.90x = 181,643.94 × 57,901.16
  4. Step 4: Simplify right side
    121,095.90x = 10,517,394,832.97
  5. Step 5: Solve for x
    x = 10,517,394,832.97/121,095.90
  6. Step 6: Final answer
    x = 86,851.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.