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Finding the Fourth Proportional to 64,993.92, 97,426.29 and 45,230.96

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Solution

The fourth proportional to 64,993.92, 97,426.29 and 45,230.96 is: 67,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,993.92 : 97,426.29 = 45,230.96 : x
  2. Step 2: Convert to fraction form
    64,993.92/97,426.29 = 45,230.96/x
  3. Step 3: Cross multiply
    64,993.92x = 97,426.29 × 45,230.96
  4. Step 4: Simplify right side
    64,993.92x = 4,406,684,491.10
  5. Step 5: Solve for x
    x = 4,406,684,491.10/64,993.92
  6. Step 6: Final answer
    x = 67,801.49

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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.