Home / 99,304.20-137,042.46-53,985.22

Finding the Fourth Proportional to 99,304.20, 137,042.46 and 53,985.22

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Solution

The fourth proportional to 99,304.20, 137,042.46 and 53,985.22 is: 74,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,304.20 : 137,042.46 = 53,985.22 : x
  2. Step 2: Convert to fraction form
    99,304.20/137,042.46 = 53,985.22/x
  3. Step 3: Cross multiply
    99,304.20x = 137,042.46 × 53,985.22
  4. Step 4: Simplify right side
    99,304.20x = 7,398,267,352.44
  5. Step 5: Solve for x
    x = 7,398,267,352.44/99,304.20
  6. Step 6: Final answer
    x = 74,501.05

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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.