Home / 68,218.57-94,107.76-45,587.91

Finding the Fourth Proportional to 68,218.57, 94,107.76 and 45,587.91

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Solution

The fourth proportional to 68,218.57, 94,107.76 and 45,587.91 is: 62,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218.57 : 94,107.76 = 45,587.91 : x
  2. Step 2: Convert to fraction form
    68,218.57/94,107.76 = 45,587.91/x
  3. Step 3: Cross multiply
    68,218.57x = 94,107.76 × 45,587.91
  4. Step 4: Simplify right side
    68,218.57x = 4,290,175,979.21
  5. Step 5: Solve for x
    x = 4,290,175,979.21/68,218.57
  6. Step 6: Final answer
    x = 62,888.68

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1.5x scale

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.