Home / 69,918.20-96,486.28-38,087.08

Finding the Fourth Proportional to 69,918.20, 96,486.28 and 38,087.08

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Solution

The fourth proportional to 69,918.20, 96,486.28 and 38,087.08 is: 52,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.20 : 96,486.28 = 38,087.08 : x
  2. Step 2: Convert to fraction form
    69,918.20/96,486.28 = 38,087.08/x
  3. Step 3: Cross multiply
    69,918.20x = 96,486.28 × 38,087.08
  4. Step 4: Simplify right side
    69,918.20x = 3,674,880,665.26
  5. Step 5: Solve for x
    x = 3,674,880,665.26/69,918.20
  6. Step 6: Final answer
    x = 52,559.71

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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.