Home / 61,778.71-92,596.38-28,428.76

Finding the Fourth Proportional to 61,778.71, 92,596.38 and 28,428.76

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Solution

The fourth proportional to 61,778.71, 92,596.38 and 28,428.76 is: 42,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,778.71 : 92,596.38 = 28,428.76 : x
  2. Step 2: Convert to fraction form
    61,778.71/92,596.38 = 28,428.76/x
  3. Step 3: Cross multiply
    61,778.71x = 92,596.38 × 28,428.76
  4. Step 4: Simplify right side
    61,778.71x = 2,632,400,263.89
  5. Step 5: Solve for x
    x = 2,632,400,263.89/61,778.71
  6. Step 6: Final answer
    x = 42,610.15

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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.