Home / 67,723.81-93,459.56-40,861.13

Finding the Fourth Proportional to 67,723.81, 93,459.56 and 40,861.13

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Solution

The fourth proportional to 67,723.81, 93,459.56 and 40,861.13 is: 56,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.81 : 93,459.56 = 40,861.13 : x
  2. Step 2: Convert to fraction form
    67,723.81/93,459.56 = 40,861.13/x
  3. Step 3: Cross multiply
    67,723.81x = 93,459.56 × 40,861.13
  4. Step 4: Simplify right side
    67,723.81x = 3,818,862,559.30
  5. Step 5: Solve for x
    x = 3,818,862,559.30/67,723.81
  6. Step 6: Final answer
    x = 56,388.78

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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.