Home / 121,053.48-181,517.76-54,436.92

Finding the Fourth Proportional to 121,053.48, 181,517.76 and 54,436.92

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Solution

The fourth proportional to 121,053.48, 181,517.76 and 54,436.92 is: 81,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,053.48 : 181,517.76 = 54,436.92 : x
  2. Step 2: Convert to fraction form
    121,053.48/181,517.76 = 54,436.92/x
  3. Step 3: Cross multiply
    121,053.48x = 181,517.76 × 54,436.92
  4. Step 4: Simplify right side
    121,053.48x = 9,881,267,779.70
  5. Step 5: Solve for x
    x = 9,881,267,779.70/121,053.48
  6. Step 6: Final answer
    x = 81,627.29

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1.5x scale

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.