Home / 56,352.45-77,766.51-30,511.29

Finding the Fourth Proportional to 56,352.45, 77,766.51 and 30,511.29

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Solution

The fourth proportional to 56,352.45, 77,766.51 and 30,511.29 is: 42,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.45 : 77,766.51 = 30,511.29 : x
  2. Step 2: Convert to fraction form
    56,352.45/77,766.51 = 30,511.29/x
  3. Step 3: Cross multiply
    56,352.45x = 77,766.51 × 30,511.29
  4. Step 4: Simplify right side
    56,352.45x = 2,372,756,538.90
  5. Step 5: Solve for x
    x = 2,372,756,538.90/56,352.45
  6. Step 6: Final answer
    x = 42,105.65

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1.5x scale

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.