Home / 80,605.04-111,174.60-48,733.16

Finding the Fourth Proportional to 80,605.04, 111,174.60 and 48,733.16

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Solution

The fourth proportional to 80,605.04, 111,174.60 and 48,733.16 is: 67,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,605.04 : 111,174.60 = 48,733.16 : x
  2. Step 2: Convert to fraction form
    80,605.04/111,174.60 = 48,733.16/x
  3. Step 3: Cross multiply
    80,605.04x = 111,174.60 × 48,733.16
  4. Step 4: Simplify right side
    80,605.04x = 5,417,889,569.74
  5. Step 5: Solve for x
    x = 5,417,889,569.74/80,605.04
  6. Step 6: Final answer
    x = 67,215.27

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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.