Home / 56,642.71-78,147.48-35,124.73

Finding the Fourth Proportional to 56,642.71, 78,147.48 and 35,124.73

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Solution

The fourth proportional to 56,642.71, 78,147.48 and 35,124.73 is: 48,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,642.71 : 78,147.48 = 35,124.73 : x
  2. Step 2: Convert to fraction form
    56,642.71/78,147.48 = 35,124.73/x
  3. Step 3: Cross multiply
    56,642.71x = 78,147.48 × 35,124.73
  4. Step 4: Simplify right side
    56,642.71x = 2,744,909,135.18
  5. Step 5: Solve for x
    x = 2,744,909,135.18/56,642.71
  6. Step 6: Final answer
    x = 48,460.06

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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.