Home / 68,746.71-94,868.88-40,064.55

Finding the Fourth Proportional to 68,746.71, 94,868.88 and 40,064.55

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Solution

The fourth proportional to 68,746.71, 94,868.88 and 40,064.55 is: 55,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,746.71 : 94,868.88 = 40,064.55 : x
  2. Step 2: Convert to fraction form
    68,746.71/94,868.88 = 40,064.55/x
  3. Step 3: Cross multiply
    68,746.71x = 94,868.88 × 40,064.55
  4. Step 4: Simplify right side
    68,746.71x = 3,800,878,986.20
  5. Step 5: Solve for x
    x = 3,800,878,986.20/68,746.71
  6. Step 6: Final answer
    x = 55,288.16

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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.