Home / 84,802.89-127,207.04-42,659.94

Finding the Fourth Proportional to 84,802.89, 127,207.04 and 42,659.94

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Solution

The fourth proportional to 84,802.89, 127,207.04 and 42,659.94 is: 63,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.89 : 127,207.04 = 42,659.94 : x
  2. Step 2: Convert to fraction form
    84,802.89/127,207.04 = 42,659.94/x
  3. Step 3: Cross multiply
    84,802.89x = 127,207.04 × 42,659.94
  4. Step 4: Simplify right side
    84,802.89x = 5,426,644,693.98
  5. Step 5: Solve for x
    x = 5,426,644,693.98/84,802.89
  6. Step 6: Final answer
    x = 63,991.27

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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.