Home / 99,433.17-137,220.68-54,114.08

Finding the Fourth Proportional to 99,433.17, 137,220.68 and 54,114.08

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Solution

The fourth proportional to 99,433.17, 137,220.68 and 54,114.08 is: 74,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,433.17 : 137,220.68 = 54,114.08 : x
  2. Step 2: Convert to fraction form
    99,433.17/137,220.68 = 54,114.08/x
  3. Step 3: Cross multiply
    99,433.17x = 137,220.68 × 54,114.08
  4. Step 4: Simplify right side
    99,433.17x = 7,425,570,304.36
  5. Step 5: Solve for x
    x = 7,425,570,304.36/99,433.17
  6. Step 6: Final answer
    x = 74,679.01

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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.