Home / 76,873.41-106,087.19-42,881.65

Finding the Fourth Proportional to 76,873.41, 106,087.19 and 42,881.65

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Solution

The fourth proportional to 76,873.41, 106,087.19 and 42,881.65 is: 59,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,873.41 : 106,087.19 = 42,881.65 : x
  2. Step 2: Convert to fraction form
    76,873.41/106,087.19 = 42,881.65/x
  3. Step 3: Cross multiply
    76,873.41x = 106,087.19 × 42,881.65
  4. Step 4: Simplify right side
    76,873.41x = 4,549,193,271.44
  5. Step 5: Solve for x
    x = 4,549,193,271.44/76,873.41
  6. Step 6: Final answer
    x = 59,177.72

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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.