Home / 92,947.38-139,420.77-26,387.55

Finding the Fourth Proportional to 92,947.38, 139,420.77 and 26,387.55

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Solution

The fourth proportional to 92,947.38, 139,420.77 and 26,387.55 is: 39,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,947.38 : 139,420.77 = 26,387.55 : x
  2. Step 2: Convert to fraction form
    92,947.38/139,420.77 = 26,387.55/x
  3. Step 3: Cross multiply
    92,947.38x = 139,420.77 × 26,387.55
  4. Step 4: Simplify right side
    92,947.38x = 3,678,972,539.41
  5. Step 5: Solve for x
    x = 3,678,972,539.41/92,947.38
  6. Step 6: Final answer
    x = 39,581.24

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1.5x scale

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.