Home / 71,600.73-98,812.50-39,768.95

Finding the Fourth Proportional to 71,600.73, 98,812.50 and 39,768.95

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Solution

The fourth proportional to 71,600.73, 98,812.50 and 39,768.95 is: 54,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.73 : 98,812.50 = 39,768.95 : x
  2. Step 2: Convert to fraction form
    71,600.73/98,812.50 = 39,768.95/x
  3. Step 3: Cross multiply
    71,600.73x = 98,812.50 × 39,768.95
  4. Step 4: Simplify right side
    71,600.73x = 3,929,668,877.81
  5. Step 5: Solve for x
    x = 3,929,668,877.81/71,600.73
  6. Step 6: Final answer
    x = 54,883.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.