Home / 104,806.80-144,635.98-57,062.76

Finding the Fourth Proportional to 104,806.80, 144,635.98 and 57,062.76

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Solution

The fourth proportional to 104,806.80, 144,635.98 and 57,062.76 is: 78,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,806.80 : 144,635.98 = 57,062.76 : x
  2. Step 2: Convert to fraction form
    104,806.80/144,635.98 = 57,062.76/x
  3. Step 3: Cross multiply
    104,806.80x = 144,635.98 × 57,062.76
  4. Step 4: Simplify right side
    104,806.80x = 8,253,328,214.10
  5. Step 5: Solve for x
    x = 8,253,328,214.10/104,806.80
  6. Step 6: Final answer
    x = 78,748.02

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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.