Home / 79,741.14-110,038.83-43,930.20

Finding the Fourth Proportional to 79,741.14, 110,038.83 and 43,930.20

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Solution

The fourth proportional to 79,741.14, 110,038.83 and 43,930.20 is: 60,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,741.14 : 110,038.83 = 43,930.20 : x
  2. Step 2: Convert to fraction form
    79,741.14/110,038.83 = 43,930.20/x
  3. Step 3: Cross multiply
    79,741.14x = 110,038.83 × 43,930.20
  4. Step 4: Simplify right side
    79,741.14x = 4,834,027,809.67
  5. Step 5: Solve for x
    x = 4,834,027,809.67/79,741.14
  6. Step 6: Final answer
    x = 60,621.50

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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.