Home / 56,125.18-77,452.59-30,974.50

Finding the Fourth Proportional to 56,125.18, 77,452.59 and 30,974.50

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Solution

The fourth proportional to 56,125.18, 77,452.59 and 30,974.50 is: 42,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.18 : 77,452.59 = 30,974.50 : x
  2. Step 2: Convert to fraction form
    56,125.18/77,452.59 = 30,974.50/x
  3. Step 3: Cross multiply
    56,125.18x = 77,452.59 × 30,974.50
  4. Step 4: Simplify right side
    56,125.18x = 2,399,055,248.96
  5. Step 5: Solve for x
    x = 2,399,055,248.96/56,125.18
  6. Step 6: Final answer
    x = 42,744.72

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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.