Home / 68,053.90-93,921.85-38,985.02

Finding the Fourth Proportional to 68,053.90, 93,921.85 and 38,985.02

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Solution

The fourth proportional to 68,053.90, 93,921.85 and 38,985.02 is: 53,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.90 : 93,921.85 = 38,985.02 : x
  2. Step 2: Convert to fraction form
    68,053.90/93,921.85 = 38,985.02/x
  3. Step 3: Cross multiply
    68,053.90x = 93,921.85 × 38,985.02
  4. Step 4: Simplify right side
    68,053.90x = 3,661,545,505.82
  5. Step 5: Solve for x
    x = 3,661,545,505.82/68,053.90
  6. Step 6: Final answer
    x = 53,803.61

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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.