Home / 99,823.04-137,755.92-55,111.04

Finding the Fourth Proportional to 99,823.04, 137,755.92 and 55,111.04

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Solution

The fourth proportional to 99,823.04, 137,755.92 and 55,111.04 is: 76,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823.04 : 137,755.92 = 55,111.04 : x
  2. Step 2: Convert to fraction form
    99,823.04/137,755.92 = 55,111.04/x
  3. Step 3: Cross multiply
    99,823.04x = 137,755.92 × 55,111.04
  4. Step 4: Simplify right side
    99,823.04x = 7,591,872,017.36
  5. Step 5: Solve for x
    x = 7,591,872,017.36/99,823.04
  6. Step 6: Final answer
    x = 76,053.30

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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.