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Finding the Fourth Proportional to 79,237.44, 109,333.80 and 45,230.40

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Solution

The fourth proportional to 79,237.44, 109,333.80 and 45,230.40 is: 62,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.44 : 109,333.80 = 45,230.40 : x
  2. Step 2: Convert to fraction form
    79,237.44/109,333.80 = 45,230.40/x
  3. Step 3: Cross multiply
    79,237.44x = 109,333.80 × 45,230.40
  4. Step 4: Simplify right side
    79,237.44x = 4,945,211,507.52
  5. Step 5: Solve for x
    x = 4,945,211,507.52/79,237.44
  6. Step 6: Final answer
    x = 62,410.04

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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.