Home / 92,243.86-138,385.23-29,909.50

Finding the Fourth Proportional to 92,243.86, 138,385.23 and 29,909.50

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Solution

The fourth proportional to 92,243.86, 138,385.23 and 29,909.50 is: 44,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,243.86 : 138,385.23 = 29,909.50 : x
  2. Step 2: Convert to fraction form
    92,243.86/138,385.23 = 29,909.50/x
  3. Step 3: Cross multiply
    92,243.86x = 138,385.23 × 29,909.50
  4. Step 4: Simplify right side
    92,243.86x = 4,139,033,036.69
  5. Step 5: Solve for x
    x = 4,139,033,036.69/92,243.86
  6. Step 6: Final answer
    x = 44,870.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.