Home / 69,555.84-95,985.56-39,337.20

Finding the Fourth Proportional to 69,555.84, 95,985.56 and 39,337.20

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Solution

The fourth proportional to 69,555.84, 95,985.56 and 39,337.20 is: 54,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.84 : 95,985.56 = 39,337.20 : x
  2. Step 2: Convert to fraction form
    69,555.84/95,985.56 = 39,337.20/x
  3. Step 3: Cross multiply
    69,555.84x = 95,985.56 × 39,337.20
  4. Step 4: Simplify right side
    69,555.84x = 3,775,803,170.83
  5. Step 5: Solve for x
    x = 3,775,803,170.83/69,555.84
  6. Step 6: Final answer
    x = 54,284.49

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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.