Home / 99,605.68-137,451.82-54,282.69

Finding the Fourth Proportional to 99,605.68, 137,451.82 and 54,282.69

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Solution

The fourth proportional to 99,605.68, 137,451.82 and 54,282.69 is: 74,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,605.68 : 137,451.82 = 54,282.69 : x
  2. Step 2: Convert to fraction form
    99,605.68/137,451.82 = 54,282.69/x
  3. Step 3: Cross multiply
    99,605.68x = 137,451.82 × 54,282.69
  4. Step 4: Simplify right side
    99,605.68x = 7,461,254,535.00
  5. Step 5: Solve for x
    x = 7,461,254,535.00/99,605.68
  6. Step 6: Final answer
    x = 74,907.92

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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.