Home / 79,116.04-109,180.47-43,306.48

Finding the Fourth Proportional to 79,116.04, 109,180.47 and 43,306.48

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Solution

The fourth proportional to 79,116.04, 109,180.47 and 43,306.48 is: 59,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.04 : 109,180.47 = 43,306.48 : x
  2. Step 2: Convert to fraction form
    79,116.04/109,180.47 = 43,306.48/x
  3. Step 3: Cross multiply
    79,116.04x = 109,180.47 × 43,306.48
  4. Step 4: Simplify right side
    79,116.04x = 4,728,221,840.45
  5. Step 5: Solve for x
    x = 4,728,221,840.45/79,116.04
  6. Step 6: Final answer
    x = 59,763.13

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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.