Home / 69,918.18-96,486.60-38,087.08

Finding the Fourth Proportional to 69,918.18, 96,486.60 and 38,087.08

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Solution

The fourth proportional to 69,918.18, 96,486.60 and 38,087.08 is: 52,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.18 : 96,486.60 = 38,087.08 : x
  2. Step 2: Convert to fraction form
    69,918.18/96,486.60 = 38,087.08/x
  3. Step 3: Cross multiply
    69,918.18x = 96,486.60 × 38,087.08
  4. Step 4: Simplify right side
    69,918.18x = 3,674,892,853.13
  5. Step 5: Solve for x
    x = 3,674,892,853.13/69,918.18
  6. Step 6: Final answer
    x = 52,559.90

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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.