Home / 83,799.69-115,665.36-55,495.05

Finding the Fourth Proportional to 83,799.69, 115,665.36 and 55,495.05

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Solution

The fourth proportional to 83,799.69, 115,665.36 and 55,495.05 is: 76,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.69 : 115,665.36 = 55,495.05 : x
  2. Step 2: Convert to fraction form
    83,799.69/115,665.36 = 55,495.05/x
  3. Step 3: Cross multiply
    83,799.69x = 115,665.36 × 55,495.05
  4. Step 4: Simplify right side
    83,799.69x = 6,418,854,936.47
  5. Step 5: Solve for x
    x = 6,418,854,936.47/83,799.69
  6. Step 6: Final answer
    x = 76,597.60

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1.5x scale

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.