Home / 86,322.24-119,110.40-54,508.16

Finding the Fourth Proportional to 86,322.24, 119,110.40 and 54,508.16

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Solution

The fourth proportional to 86,322.24, 119,110.40 and 54,508.16 is: 75,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.24 : 119,110.40 = 54,508.16 : x
  2. Step 2: Convert to fraction form
    86,322.24/119,110.40 = 54,508.16/x
  3. Step 3: Cross multiply
    86,322.24x = 119,110.40 × 54,508.16
  4. Step 4: Simplify right side
    86,322.24x = 6,492,488,740.86
  5. Step 5: Solve for x
    x = 6,492,488,740.86/86,322.24
  6. Step 6: Final answer
    x = 75,212.24

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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.