Home / 72,001.95-108,143.09-58,684.79

Finding the Fourth Proportional to 72,001.95, 108,143.09 and 58,684.79

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Solution

The fourth proportional to 72,001.95, 108,143.09 and 58,684.79 is: 88,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.95 : 108,143.09 = 58,684.79 : x
  2. Step 2: Convert to fraction form
    72,001.95/108,143.09 = 58,684.79/x
  3. Step 3: Cross multiply
    72,001.95x = 108,143.09 × 58,684.79
  4. Step 4: Simplify right side
    72,001.95x = 6,346,353,692.46
  5. Step 5: Solve for x
    x = 6,346,353,692.46/72,001.95
  6. Step 6: Final answer
    x = 88,141.41

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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.