Home / 84,799.08-127,201.32-42,656.13

Finding the Fourth Proportional to 84,799.08, 127,201.32 and 42,656.13

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Solution

The fourth proportional to 84,799.08, 127,201.32 and 42,656.13 is: 63,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,799.08 : 127,201.32 = 42,656.13 : x
  2. Step 2: Convert to fraction form
    84,799.08/127,201.32 = 42,656.13/x
  3. Step 3: Cross multiply
    84,799.08x = 127,201.32 × 42,656.13
  4. Step 4: Simplify right side
    84,799.08x = 5,425,916,042.09
  5. Step 5: Solve for x
    x = 5,425,916,042.09/84,799.08
  6. Step 6: Final answer
    x = 63,985.55

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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.