Home / 68,689.47-94,793.04-38,477.01

Finding the Fourth Proportional to 68,689.47, 94,793.04 and 38,477.01

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Solution

The fourth proportional to 68,689.47, 94,793.04 and 38,477.01 is: 53,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,689.47 : 94,793.04 = 38,477.01 : x
  2. Step 2: Convert to fraction form
    68,689.47/94,793.04 = 38,477.01/x
  3. Step 3: Cross multiply
    68,689.47x = 94,793.04 × 38,477.01
  4. Step 4: Simplify right side
    68,689.47x = 3,647,352,748.01
  5. Step 5: Solve for x
    x = 3,647,352,748.01/68,689.47
  6. Step 6: Final answer
    x = 53,099.15

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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.