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Finding the Fourth Proportional to 64,694.46, 97,115.50 and 43,363.02

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Solution

The fourth proportional to 64,694.46, 97,115.50 and 43,363.02 is: 65,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,694.46 : 97,115.50 = 43,363.02 : x
  2. Step 2: Convert to fraction form
    64,694.46/97,115.50 = 43,363.02/x
  3. Step 3: Cross multiply
    64,694.46x = 97,115.50 × 43,363.02
  4. Step 4: Simplify right side
    64,694.46x = 4,211,221,368.81
  5. Step 5: Solve for x
    x = 4,211,221,368.81/64,694.46
  6. Step 6: Final answer
    x = 65,094.00

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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.