Home / 76,818.93-106,010.57-42,829.56

Finding the Fourth Proportional to 76,818.93, 106,010.57 and 42,829.56

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Solution

The fourth proportional to 76,818.93, 106,010.57 and 42,829.56 is: 59,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,818.93 : 106,010.57 = 42,829.56 : x
  2. Step 2: Convert to fraction form
    76,818.93/106,010.57 = 42,829.56/x
  3. Step 3: Cross multiply
    76,818.93x = 106,010.57 × 42,829.56
  4. Step 4: Simplify right side
    76,818.93x = 4,540,386,175.52
  5. Step 5: Solve for x
    x = 4,540,386,175.52/76,818.93
  6. Step 6: Final answer
    x = 59,105.04

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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.