Home / 99,484.96-137,288.40-54,162.82

Finding the Fourth Proportional to 99,484.96, 137,288.40 and 54,162.82

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Solution

The fourth proportional to 99,484.96, 137,288.40 and 54,162.82 is: 74,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,484.96 : 137,288.40 = 54,162.82 : x
  2. Step 2: Convert to fraction form
    99,484.96/137,288.40 = 54,162.82/x
  3. Step 3: Cross multiply
    99,484.96x = 137,288.40 × 54,162.82
  4. Step 4: Simplify right side
    99,484.96x = 7,435,926,897.29
  5. Step 5: Solve for x
    x = 7,435,926,897.29/99,484.96
  6. Step 6: Final answer
    x = 74,744.24

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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.