Home / 79,983.48-110,350.98-48,140.76

Finding the Fourth Proportional to 79,983.48, 110,350.98 and 48,140.76

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Solution

The fourth proportional to 79,983.48, 110,350.98 and 48,140.76 is: 66,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.48 : 110,350.98 = 48,140.76 : x
  2. Step 2: Convert to fraction form
    79,983.48/110,350.98 = 48,140.76/x
  3. Step 3: Cross multiply
    79,983.48x = 110,350.98 × 48,140.76
  4. Step 4: Simplify right side
    79,983.48x = 5,312,380,043.94
  5. Step 5: Solve for x
    x = 5,312,380,043.94/79,983.48
  6. Step 6: Final answer
    x = 66,418.47

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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.