Home / 60,302.77-90,385.20-28,667.95

Finding the Fourth Proportional to 60,302.77, 90,385.20 and 28,667.95

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Solution

The fourth proportional to 60,302.77, 90,385.20 and 28,667.95 is: 42,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302.77 : 90,385.20 = 28,667.95 : x
  2. Step 2: Convert to fraction form
    60,302.77/90,385.20 = 28,667.95/x
  3. Step 3: Cross multiply
    60,302.77x = 90,385.20 × 28,667.95
  4. Step 4: Simplify right side
    60,302.77x = 2,591,158,394.34
  5. Step 5: Solve for x
    x = 2,591,158,394.34/60,302.77
  6. Step 6: Final answer
    x = 42,969.14

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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.