Home / 75,124.86-103,677.30-43,295.80

Finding the Fourth Proportional to 75,124.86, 103,677.30 and 43,295.80

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Solution

The fourth proportional to 75,124.86, 103,677.30 and 43,295.80 is: 59,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.86 : 103,677.30 = 43,295.80 : x
  2. Step 2: Convert to fraction form
    75,124.86/103,677.30 = 43,295.80/x
  3. Step 3: Cross multiply
    75,124.86x = 103,677.30 × 43,295.80
  4. Step 4: Simplify right side
    75,124.86x = 4,488,791,645.34
  5. Step 5: Solve for x
    x = 4,488,791,645.34/75,124.86
  6. Step 6: Final answer
    x = 59,751.08

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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.