Home / 86,389.60-119,217.54-48,664.12

Finding the Fourth Proportional to 86,389.60, 119,217.54 and 48,664.12

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Solution

The fourth proportional to 86,389.60, 119,217.54 and 48,664.12 is: 67,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.60 : 119,217.54 = 48,664.12 : x
  2. Step 2: Convert to fraction form
    86,389.60/119,217.54 = 48,664.12/x
  3. Step 3: Cross multiply
    86,389.60x = 119,217.54 × 48,664.12
  4. Step 4: Simplify right side
    86,389.60x = 5,801,616,672.66
  5. Step 5: Solve for x
    x = 5,801,616,672.66/86,389.60
  6. Step 6: Final answer
    x = 67,156.42

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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.