Home / 75,365.75-104,005.14-47,087.84

Finding the Fourth Proportional to 75,365.75, 104,005.14 and 47,087.84

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Solution

The fourth proportional to 75,365.75, 104,005.14 and 47,087.84 is: 64,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.75 : 104,005.14 = 47,087.84 : x
  2. Step 2: Convert to fraction form
    75,365.75/104,005.14 = 47,087.84/x
  3. Step 3: Cross multiply
    75,365.75x = 104,005.14 × 47,087.84
  4. Step 4: Simplify right side
    75,365.75x = 4,897,377,391.50
  5. Step 5: Solve for x
    x = 4,897,377,391.50/75,365.75
  6. Step 6: Final answer
    x = 64,981.47

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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.