Home / 99,934.32-137,911.16-54,614.20

Finding the Fourth Proportional to 99,934.32, 137,911.16 and 54,614.20

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Solution

The fourth proportional to 99,934.32, 137,911.16 and 54,614.20 is: 75,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,934.32 : 137,911.16 = 54,614.20 : x
  2. Step 2: Convert to fraction form
    99,934.32/137,911.16 = 54,614.20/x
  3. Step 3: Cross multiply
    99,934.32x = 137,911.16 × 54,614.20
  4. Step 4: Simplify right side
    99,934.32x = 7,531,907,674.47
  5. Step 5: Solve for x
    x = 7,531,907,674.47/99,934.32
  6. Step 6: Final answer
    x = 75,368.58

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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.