Home / 66,899.16-92,244.96-42,667.56

Finding the Fourth Proportional to 66,899.16, 92,244.96 and 42,667.56

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Solution

The fourth proportional to 66,899.16, 92,244.96 and 42,667.56 is: 58,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,899.16 : 92,244.96 = 42,667.56 : x
  2. Step 2: Convert to fraction form
    66,899.16/92,244.96 = 42,667.56/x
  3. Step 3: Cross multiply
    66,899.16x = 92,244.96 × 42,667.56
  4. Step 4: Simplify right side
    66,899.16x = 3,935,867,365.50
  5. Step 5: Solve for x
    x = 3,935,867,365.50/66,899.16
  6. Step 6: Final answer
    x = 58,832.84

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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.