Home / 49,764.60-74,646.90-43,738.20

Finding the Fourth Proportional to 49,764.60, 74,646.90 and 43,738.20

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Solution

The fourth proportional to 49,764.60, 74,646.90 and 43,738.20 is: 65,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.60 : 74,646.90 = 43,738.20 : x
  2. Step 2: Convert to fraction form
    49,764.60/74,646.90 = 43,738.20/x
  3. Step 3: Cross multiply
    49,764.60x = 74,646.90 × 43,738.20
  4. Step 4: Simplify right side
    49,764.60x = 3,264,921,041.58
  5. Step 5: Solve for x
    x = 3,264,921,041.58/49,764.60
  6. Step 6: Final answer
    x = 65,607.30

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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.