Home / 68,287.51-94,237.14-38,074.72

Finding the Fourth Proportional to 68,287.51, 94,237.14 and 38,074.72

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Solution

The fourth proportional to 68,287.51, 94,237.14 and 38,074.72 is: 52,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.51 : 94,237.14 = 38,074.72 : x
  2. Step 2: Convert to fraction form
    68,287.51/94,237.14 = 38,074.72/x
  3. Step 3: Cross multiply
    68,287.51x = 94,237.14 × 38,074.72
  4. Step 4: Simplify right side
    68,287.51x = 3,588,052,719.10
  5. Step 5: Solve for x
    x = 3,588,052,719.10/68,287.51
  6. Step 6: Final answer
    x = 52,543.32

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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.