Home / 86,389.68-119,215.08-48,663.12

Finding the Fourth Proportional to 86,389.68, 119,215.08 and 48,663.12

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Solution

The fourth proportional to 86,389.68, 119,215.08 and 48,663.12 is: 67,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.68 : 119,215.08 = 48,663.12 : x
  2. Step 2: Convert to fraction form
    86,389.68/119,215.08 = 48,663.12/x
  3. Step 3: Cross multiply
    86,389.68x = 119,215.08 × 48,663.12
  4. Step 4: Simplify right side
    86,389.68x = 5,801,377,743.85
  5. Step 5: Solve for x
    x = 5,801,377,743.85/86,389.68
  6. Step 6: Final answer
    x = 67,153.60

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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.