Home / 61,013.05-84,199.16-34,155.47

Finding the Fourth Proportional to 61,013.05, 84,199.16 and 34,155.47

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Solution

The fourth proportional to 61,013.05, 84,199.16 and 34,155.47 is: 47,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,013.05 : 84,199.16 = 34,155.47 : x
  2. Step 2: Convert to fraction form
    61,013.05/84,199.16 = 34,155.47/x
  3. Step 3: Cross multiply
    61,013.05x = 84,199.16 × 34,155.47
  4. Step 4: Simplify right side
    61,013.05x = 2,875,862,179.29
  5. Step 5: Solve for x
    x = 2,875,862,179.29/61,013.05
  6. Step 6: Final answer
    x = 47,135.20

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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.