Home / 77,782.91-107,342.28-43,792.52

Finding the Fourth Proportional to 77,782.91, 107,342.28 and 43,792.52

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Solution

The fourth proportional to 77,782.91, 107,342.28 and 43,792.52 is: 60,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,782.91 : 107,342.28 = 43,792.52 : x
  2. Step 2: Convert to fraction form
    77,782.91/107,342.28 = 43,792.52/x
  3. Step 3: Cross multiply
    77,782.91x = 107,342.28 × 43,792.52
  4. Step 4: Simplify right side
    77,782.91x = 4,700,788,407.03
  5. Step 5: Solve for x
    x = 4,700,788,407.03/77,782.91
  6. Step 6: Final answer
    x = 60,434.72

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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.