Home / 69,918.68-96,487.29-38,087.58

Finding the Fourth Proportional to 69,918.68, 96,487.29 and 38,087.58

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Solution

The fourth proportional to 69,918.68, 96,487.29 and 38,087.58 is: 52,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.68 : 96,487.29 = 38,087.58 : x
  2. Step 2: Convert to fraction form
    69,918.68/96,487.29 = 38,087.58/x
  3. Step 3: Cross multiply
    69,918.68x = 96,487.29 × 38,087.58
  4. Step 4: Simplify right side
    69,918.68x = 3,674,967,376.86
  5. Step 5: Solve for x
    x = 3,674,967,376.86/69,918.68
  6. Step 6: Final answer
    x = 52,560.60

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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.