Home / 99,287.04-137,017.02-53,965.13

Finding the Fourth Proportional to 99,287.04, 137,017.02 and 53,965.13

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Solution

The fourth proportional to 99,287.04, 137,017.02 and 53,965.13 is: 74,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.04 : 137,017.02 = 53,965.13 : x
  2. Step 2: Convert to fraction form
    99,287.04/137,017.02 = 53,965.13/x
  3. Step 3: Cross multiply
    99,287.04x = 137,017.02 × 53,965.13
  4. Step 4: Simplify right side
    99,287.04x = 7,394,140,611.43
  5. Step 5: Solve for x
    x = 7,394,140,611.43/99,287.04
  6. Step 6: Final answer
    x = 74,472.36

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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.