Home / 77,536.27-107,011.83-47,339.20

Finding the Fourth Proportional to 77,536.27, 107,011.83 and 47,339.20

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Solution

The fourth proportional to 77,536.27, 107,011.83 and 47,339.20 is: 65,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,536.27 : 107,011.83 = 47,339.20 : x
  2. Step 2: Convert to fraction form
    77,536.27/107,011.83 = 47,339.20/x
  3. Step 3: Cross multiply
    77,536.27x = 107,011.83 × 47,339.20
  4. Step 4: Simplify right side
    77,536.27x = 5,065,854,422.74
  5. Step 5: Solve for x
    x = 5,065,854,422.74/77,536.27
  6. Step 6: Final answer
    x = 65,335.29

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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.