Home / 84,029.04-115,964.64-48,218.76

Finding the Fourth Proportional to 84,029.04, 115,964.64 and 48,218.76

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Solution

The fourth proportional to 84,029.04, 115,964.64 and 48,218.76 is: 66,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.04 : 115,964.64 = 48,218.76 : x
  2. Step 2: Convert to fraction form
    84,029.04/115,964.64 = 48,218.76/x
  3. Step 3: Cross multiply
    84,029.04x = 115,964.64 × 48,218.76
  4. Step 4: Simplify right side
    84,029.04x = 5,591,671,144.65
  5. Step 5: Solve for x
    x = 5,591,671,144.65/84,029.04
  6. Step 6: Final answer
    x = 66,544.51

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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.