Home / 69,920.79-96,492.18-38,089.62

Finding the Fourth Proportional to 69,920.79, 96,492.18 and 38,089.62

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Solution

The fourth proportional to 69,920.79, 96,492.18 and 38,089.62 is: 52,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.79 : 96,492.18 = 38,089.62 : x
  2. Step 2: Convert to fraction form
    69,920.79/96,492.18 = 38,089.62/x
  3. Step 3: Cross multiply
    69,920.79x = 96,492.18 × 38,089.62
  4. Step 4: Simplify right side
    69,920.79x = 3,675,350,469.17
  5. Step 5: Solve for x
    x = 3,675,350,469.17/69,920.79
  6. Step 6: Final answer
    x = 52,564.49

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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.