Home / 84,157.11-116,001.27-61,460.10

Finding the Fourth Proportional to 84,157.11, 116,001.27 and 61,460.10

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Solution

The fourth proportional to 84,157.11, 116,001.27 and 61,460.10 is: 84,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.11 : 116,001.27 = 61,460.10 : x
  2. Step 2: Convert to fraction form
    84,157.11/116,001.27 = 61,460.10/x
  3. Step 3: Cross multiply
    84,157.11x = 116,001.27 × 61,460.10
  4. Step 4: Simplify right side
    84,157.11x = 7,129,449,654.33
  5. Step 5: Solve for x
    x = 7,129,449,654.33/84,157.11
  6. Step 6: Final answer
    x = 84,715.95

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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.