Home / 75,160.10-103,695.19-42,871.52

Finding the Fourth Proportional to 75,160.10, 103,695.19 and 42,871.52

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Solution

The fourth proportional to 75,160.10, 103,695.19 and 42,871.52 is: 59,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.10 : 103,695.19 = 42,871.52 : x
  2. Step 2: Convert to fraction form
    75,160.10/103,695.19 = 42,871.52/x
  3. Step 3: Cross multiply
    75,160.10x = 103,695.19 × 42,871.52
  4. Step 4: Simplify right side
    75,160.10x = 4,445,570,564.05
  5. Step 5: Solve for x
    x = 4,445,570,564.05/75,160.10
  6. Step 6: Final answer
    x = 59,148.01

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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.