Home / 67,899.15-93,635.73-40,670.88

Finding the Fourth Proportional to 67,899.15, 93,635.73 and 40,670.88

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Solution

The fourth proportional to 67,899.15, 93,635.73 and 40,670.88 is: 56,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.15 : 93,635.73 = 40,670.88 : x
  2. Step 2: Convert to fraction form
    67,899.15/93,635.73 = 40,670.88/x
  3. Step 3: Cross multiply
    67,899.15x = 93,635.73 × 40,670.88
  4. Step 4: Simplify right side
    67,899.15x = 3,808,247,538.54
  5. Step 5: Solve for x
    x = 3,808,247,538.54/67,899.15
  6. Step 6: Final answer
    x = 56,086.82

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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.