Home / 86,673.59-129,904.05-49,265

Finding the Fourth Proportional to 86,673.59, 129,904.05 and 49,265

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Solution

The fourth proportional to 86,673.59, 129,904.05 and 49,265 is: 73,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,673.59 : 129,904.05 = 49,265 : x
  2. Step 2: Convert to fraction form
    86,673.59/129,904.05 = 49,265/x
  3. Step 3: Cross multiply
    86,673.59x = 129,904.05 × 49,265
  4. Step 4: Simplify right side
    86,673.59x = 6,399,723,023.25
  5. Step 5: Solve for x
    x = 6,399,723,023.25/86,673.59
  6. Step 6: Final answer
    x = 73,837.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.