Home / 86,286.23-119,041.91-53,565.30

Finding the Fourth Proportional to 86,286.23, 119,041.91 and 53,565.30

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Solution

The fourth proportional to 86,286.23, 119,041.91 and 53,565.30 is: 73,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.23 : 119,041.91 = 53,565.30 : x
  2. Step 2: Convert to fraction form
    86,286.23/119,041.91 = 53,565.30/x
  3. Step 3: Cross multiply
    86,286.23x = 119,041.91 × 53,565.30
  4. Step 4: Simplify right side
    86,286.23x = 6,376,515,026.51
  5. Step 5: Solve for x
    x = 6,376,515,026.51/86,286.23
  6. Step 6: Final answer
    x = 73,899.57

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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.