Home / 69,987.89-96,583.23-38,156.79

Finding the Fourth Proportional to 69,987.89, 96,583.23 and 38,156.79

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Solution

The fourth proportional to 69,987.89, 96,583.23 and 38,156.79 is: 52,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,987.89 : 96,583.23 = 38,156.79 : x
  2. Step 2: Convert to fraction form
    69,987.89/96,583.23 = 38,156.79/x
  3. Step 3: Cross multiply
    69,987.89x = 96,583.23 × 38,156.79
  4. Step 4: Simplify right side
    69,987.89x = 3,685,306,024.63
  5. Step 5: Solve for x
    x = 3,685,306,024.63/69,987.89
  6. Step 6: Final answer
    x = 52,656.34

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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.