Home / 60,734.80-91,102.20-19,176.40

Finding the Fourth Proportional to 60,734.80, 91,102.20 and 19,176.40

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Solution

The fourth proportional to 60,734.80, 91,102.20 and 19,176.40 is: 28,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,734.80 : 91,102.20 = 19,176.40 : x
  2. Step 2: Convert to fraction form
    60,734.80/91,102.20 = 19,176.40/x
  3. Step 3: Cross multiply
    60,734.80x = 91,102.20 × 19,176.40
  4. Step 4: Simplify right side
    60,734.80x = 1,747,012,228.08
  5. Step 5: Solve for x
    x = 1,747,012,228.08/60,734.80
  6. Step 6: Final answer
    x = 28,764.60

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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.