Home / 77,027.40-106,287.24-43,031.64

Finding the Fourth Proportional to 77,027.40, 106,287.24 and 43,031.64

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Solution

The fourth proportional to 77,027.40, 106,287.24 and 43,031.64 is: 59,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,027.40 : 106,287.24 = 43,031.64 : x
  2. Step 2: Convert to fraction form
    77,027.40/106,287.24 = 43,031.64/x
  3. Step 3: Cross multiply
    77,027.40x = 106,287.24 × 43,031.64
  4. Step 4: Simplify right side
    77,027.40x = 4,573,714,248.27
  5. Step 5: Solve for x
    x = 4,573,714,248.27/77,027.40
  6. Step 6: Final answer
    x = 59,377.76

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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.