Home / 78,508.02-108,338.75-44,519.60

Finding the Fourth Proportional to 78,508.02, 108,338.75 and 44,519.60

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Solution

The fourth proportional to 78,508.02, 108,338.75 and 44,519.60 is: 61,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,508.02 : 108,338.75 = 44,519.60 : x
  2. Step 2: Convert to fraction form
    78,508.02/108,338.75 = 44,519.60/x
  3. Step 3: Cross multiply
    78,508.02x = 108,338.75 × 44,519.60
  4. Step 4: Simplify right side
    78,508.02x = 4,823,197,814.50
  5. Step 5: Solve for x
    x = 4,823,197,814.50/78,508.02
  6. Step 6: Final answer
    x = 61,435.73

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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.