Home / 86,915.24-119,933.12-48,669.47

Finding the Fourth Proportional to 86,915.24, 119,933.12 and 48,669.47

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Solution

The fourth proportional to 86,915.24, 119,933.12 and 48,669.47 is: 67,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,915.24 : 119,933.12 = 48,669.47 : x
  2. Step 2: Convert to fraction form
    86,915.24/119,933.12 = 48,669.47/x
  3. Step 3: Cross multiply
    86,915.24x = 119,933.12 × 48,669.47
  4. Step 4: Simplify right side
    86,915.24x = 5,837,081,385.85
  5. Step 5: Solve for x
    x = 5,837,081,385.85/86,915.24
  6. Step 6: Final answer
    x = 67,158.32

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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.