Home / 57,086.30-85,518.65-42,066.16

Finding the Fourth Proportional to 57,086.30, 85,518.65 and 42,066.16

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Solution

The fourth proportional to 57,086.30, 85,518.65 and 42,066.16 is: 63,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.30 : 85,518.65 = 42,066.16 : x
  2. Step 2: Convert to fraction form
    57,086.30/85,518.65 = 42,066.16/x
  3. Step 3: Cross multiply
    57,086.30x = 85,518.65 × 42,066.16
  4. Step 4: Simplify right side
    57,086.30x = 3,597,441,105.25
  5. Step 5: Solve for x
    x = 3,597,441,105.25/57,086.30
  6. Step 6: Final answer
    x = 63,017.59

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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.