Home / 68,666.90-94,763.01-38,451.95

Finding the Fourth Proportional to 68,666.90, 94,763.01 and 38,451.95

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Solution

The fourth proportional to 68,666.90, 94,763.01 and 38,451.95 is: 53,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,666.90 : 94,763.01 = 38,451.95 : x
  2. Step 2: Convert to fraction form
    68,666.90/94,763.01 = 38,451.95/x
  3. Step 3: Cross multiply
    68,666.90x = 94,763.01 × 38,451.95
  4. Step 4: Simplify right side
    68,666.90x = 3,643,822,548.11
  5. Step 5: Solve for x
    x = 3,643,822,548.11/68,666.90
  6. Step 6: Final answer
    x = 53,065.20

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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.