Home / 60,385.34-90,440.04-28,817.57

Finding the Fourth Proportional to 60,385.34, 90,440.04 and 28,817.57

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Solution

The fourth proportional to 60,385.34, 90,440.04 and 28,817.57 is: 43,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,385.34 : 90,440.04 = 28,817.57 : x
  2. Step 2: Convert to fraction form
    60,385.34/90,440.04 = 28,817.57/x
  3. Step 3: Cross multiply
    60,385.34x = 90,440.04 × 28,817.57
  4. Step 4: Simplify right side
    60,385.34x = 2,606,261,731.30
  5. Step 5: Solve for x
    x = 2,606,261,731.30/60,385.34
  6. Step 6: Final answer
    x = 43,160.51

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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.