Home / 77,890.12-107,488.24-44,356.12

Finding the Fourth Proportional to 77,890.12, 107,488.24 and 44,356.12

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Solution

The fourth proportional to 77,890.12, 107,488.24 and 44,356.12 is: 61,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,890.12 : 107,488.24 = 44,356.12 : x
  2. Step 2: Convert to fraction form
    77,890.12/107,488.24 = 44,356.12/x
  3. Step 3: Cross multiply
    77,890.12x = 107,488.24 × 44,356.12
  4. Step 4: Simplify right side
    77,890.12x = 4,767,761,272.03
  5. Step 5: Solve for x
    x = 4,767,761,272.03/77,890.12
  6. Step 6: Final answer
    x = 61,211.37

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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.