Home / 86,384.89-119,213.12-48,148.37

Finding the Fourth Proportional to 86,384.89, 119,213.12 and 48,148.37

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Solution

The fourth proportional to 86,384.89, 119,213.12 and 48,148.37 is: 66,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.89 : 119,213.12 = 48,148.37 : x
  2. Step 2: Convert to fraction form
    86,384.89/119,213.12 = 48,148.37/x
  3. Step 3: Cross multiply
    86,384.89x = 119,213.12 × 48,148.37
  4. Step 4: Simplify right side
    86,384.89x = 5,739,917,410.61
  5. Step 5: Solve for x
    x = 5,739,917,410.61/86,384.89
  6. Step 6: Final answer
    x = 66,445.85

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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.