Home / 47,158.11-71,017.92-42,531.39

Finding the Fourth Proportional to 47,158.11, 71,017.92 and 42,531.39

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Solution

The fourth proportional to 47,158.11, 71,017.92 and 42,531.39 is: 64,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.11 : 71,017.92 = 42,531.39 : x
  2. Step 2: Convert to fraction form
    47,158.11/71,017.92 = 42,531.39/x
  3. Step 3: Cross multiply
    47,158.11x = 71,017.92 × 42,531.39
  4. Step 4: Simplify right side
    47,158.11x = 3,020,490,852.51
  5. Step 5: Solve for x
    x = 3,020,490,852.51/47,158.11
  6. Step 6: Final answer
    x = 64,050.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.