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Finding the Fourth Proportional to 73,491.55, 110,098.59 and 43,416.05

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Solution

The fourth proportional to 73,491.55, 110,098.59 and 43,416.05 is: 65,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491.55 : 110,098.59 = 43,416.05 : x
  2. Step 2: Convert to fraction form
    73,491.55/110,098.59 = 43,416.05/x
  3. Step 3: Cross multiply
    73,491.55x = 110,098.59 × 43,416.05
  4. Step 4: Simplify right side
    73,491.55x = 4,780,046,038.59
  5. Step 5: Solve for x
    x = 4,780,046,038.59/73,491.55
  6. Step 6: Final answer
    x = 65,042.11

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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.