Home / 86,415.96-119,266.38-48,693.72

Finding the Fourth Proportional to 86,415.96, 119,266.38 and 48,693.72

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Solution

The fourth proportional to 86,415.96, 119,266.38 and 48,693.72 is: 67,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,415.96 : 119,266.38 = 48,693.72 : x
  2. Step 2: Convert to fraction form
    86,415.96/119,266.38 = 48,693.72/x
  3. Step 3: Cross multiply
    86,415.96x = 119,266.38 × 48,693.72
  4. Step 4: Simplify right side
    86,415.96x = 5,807,523,713.13
  5. Step 5: Solve for x
    x = 5,807,523,713.13/86,415.96
  6. Step 6: Final answer
    x = 67,204.30

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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.