Home / 67,969.92-93,799.12-39,670.08

Finding the Fourth Proportional to 67,969.92, 93,799.12 and 39,670.08

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Solution

The fourth proportional to 67,969.92, 93,799.12 and 39,670.08 is: 54,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.92 : 93,799.12 = 39,670.08 : x
  2. Step 2: Convert to fraction form
    67,969.92/93,799.12 = 39,670.08/x
  3. Step 3: Cross multiply
    67,969.92x = 93,799.12 × 39,670.08
  4. Step 4: Simplify right side
    67,969.92x = 3,721,018,594.33
  5. Step 5: Solve for x
    x = 3,721,018,594.33/67,969.92
  6. Step 6: Final answer
    x = 54,745.08

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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.