Home / 75,116.84-103,661.19-43,304.18

Finding the Fourth Proportional to 75,116.84, 103,661.19 and 43,304.18

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Solution

The fourth proportional to 75,116.84, 103,661.19 and 43,304.18 is: 59,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.84 : 103,661.19 = 43,304.18 : x
  2. Step 2: Convert to fraction form
    75,116.84/103,661.19 = 43,304.18/x
  3. Step 3: Cross multiply
    75,116.84x = 103,661.19 × 43,304.18
  4. Step 4: Simplify right side
    75,116.84x = 4,488,962,312.47
  5. Step 5: Solve for x
    x = 4,488,962,312.47/75,116.84
  6. Step 6: Final answer
    x = 59,759.74

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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.