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Finding the Fourth Proportional to 60,077.40, 90,120.90 and 17,954.41

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Solution

The fourth proportional to 60,077.40, 90,120.90 and 17,954.41 is: 26,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,077.40 : 90,120.90 = 17,954.41 : x
  2. Step 2: Convert to fraction form
    60,077.40/90,120.90 = 17,954.41/x
  3. Step 3: Cross multiply
    60,077.40x = 90,120.90 × 17,954.41
  4. Step 4: Simplify right side
    60,077.40x = 1,618,067,599.17
  5. Step 5: Solve for x
    x = 1,618,067,599.17/60,077.40
  6. Step 6: Final answer
    x = 26,933.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.