Home / 67,719.60-93,458.88-39,427.92

Finding the Fourth Proportional to 67,719.60, 93,458.88 and 39,427.92

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Solution

The fourth proportional to 67,719.60, 93,458.88 and 39,427.92 is: 54,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.60 : 93,458.88 = 39,427.92 : x
  2. Step 2: Convert to fraction form
    67,719.60/93,458.88 = 39,427.92/x
  3. Step 3: Cross multiply
    67,719.60x = 93,458.88 × 39,427.92
  4. Step 4: Simplify right side
    67,719.60x = 3,684,889,243.93
  5. Step 5: Solve for x
    x = 3,684,889,243.93/67,719.60
  6. Step 6: Final answer
    x = 54,413.93

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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.