Home / 75,152.10-103,686.30-43,316.58

Finding the Fourth Proportional to 75,152.10, 103,686.30 and 43,316.58

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Solution

The fourth proportional to 75,152.10, 103,686.30 and 43,316.58 is: 59,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,152.10 : 103,686.30 = 43,316.58 : x
  2. Step 2: Convert to fraction form
    75,152.10/103,686.30 = 43,316.58/x
  3. Step 3: Cross multiply
    75,152.10x = 103,686.30 × 43,316.58
  4. Step 4: Simplify right side
    75,152.10x = 4,491,335,908.85
  5. Step 5: Solve for x
    x = 4,491,335,908.85/75,152.10
  6. Step 6: Final answer
    x = 59,763.28

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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.