Home / 60,968.38-84,139.64-34,109.28

Finding the Fourth Proportional to 60,968.38, 84,139.64 and 34,109.28

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Solution

The fourth proportional to 60,968.38, 84,139.64 and 34,109.28 is: 47,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,968.38 : 84,139.64 = 34,109.28 : x
  2. Step 2: Convert to fraction form
    60,968.38/84,139.64 = 34,109.28/x
  3. Step 3: Cross multiply
    60,968.38x = 84,139.64 × 34,109.28
  4. Step 4: Simplify right side
    60,968.38x = 2,869,942,539.86
  5. Step 5: Solve for x
    x = 2,869,942,539.86/60,968.38
  6. Step 6: Final answer
    x = 47,072.64

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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.