Home / 107,837.69-148,813.98-58,779.71

Finding the Fourth Proportional to 107,837.69, 148,813.98 and 58,779.71

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Solution

The fourth proportional to 107,837.69, 148,813.98 and 58,779.71 is: 81,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837.69 : 148,813.98 = 58,779.71 : x
  2. Step 2: Convert to fraction form
    107,837.69/148,813.98 = 58,779.71/x
  3. Step 3: Cross multiply
    107,837.69x = 148,813.98 × 58,779.71
  4. Step 4: Simplify right side
    107,837.69x = 8,747,241,844.28
  5. Step 5: Solve for x
    x = 8,747,241,844.28/107,837.69
  6. Step 6: Final answer
    x = 81,114.89

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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.