Home / 99,946.51-137,926.42-54,625.03

Finding the Fourth Proportional to 99,946.51, 137,926.42 and 54,625.03

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Solution

The fourth proportional to 99,946.51, 137,926.42 and 54,625.03 is: 75,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.51 : 137,926.42 = 54,625.03 : x
  2. Step 2: Convert to fraction form
    99,946.51/137,926.42 = 54,625.03/x
  3. Step 3: Cross multiply
    99,946.51x = 137,926.42 × 54,625.03
  4. Step 4: Simplify right side
    99,946.51x = 7,534,235,278.38
  5. Step 5: Solve for x
    x = 7,534,235,278.38/99,946.51
  6. Step 6: Final answer
    x = 75,382.68

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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.