Home / 79,900.12-110,242.48-48,847.52

Finding the Fourth Proportional to 79,900.12, 110,242.48 and 48,847.52

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Solution

The fourth proportional to 79,900.12, 110,242.48 and 48,847.52 is: 67,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,900.12 : 110,242.48 = 48,847.52 : x
  2. Step 2: Convert to fraction form
    79,900.12/110,242.48 = 48,847.52/x
  3. Step 3: Cross multiply
    79,900.12x = 110,242.48 × 48,847.52
  4. Step 4: Simplify right side
    79,900.12x = 5,385,071,746.65
  5. Step 5: Solve for x
    x = 5,385,071,746.65/79,900.12
  6. Step 6: Final answer
    x = 67,397.54

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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.