Home / 69,918.12-96,488.06-38,087

Finding the Fourth Proportional to 69,918.12, 96,488.06 and 38,087

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Solution

The fourth proportional to 69,918.12, 96,488.06 and 38,087 is: 52,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.12 : 96,488.06 = 38,087 : x
  2. Step 2: Convert to fraction form
    69,918.12/96,488.06 = 38,087/x
  3. Step 3: Cross multiply
    69,918.12x = 96,488.06 × 38,087
  4. Step 4: Simplify right side
    69,918.12x = 3,674,940,741.22
  5. Step 5: Solve for x
    x = 3,674,940,741.22/69,918.12
  6. Step 6: Final answer
    x = 52,560.63

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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.