Home / 75,364.75-104,003.76-47,086.84

Finding the Fourth Proportional to 75,364.75, 104,003.76 and 47,086.84

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Solution

The fourth proportional to 75,364.75, 104,003.76 and 47,086.84 is: 64,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,364.75 : 104,003.76 = 47,086.84 : x
  2. Step 2: Convert to fraction form
    75,364.75/104,003.76 = 47,086.84/x
  3. Step 3: Cross multiply
    75,364.75x = 104,003.76 × 47,086.84
  4. Step 4: Simplify right side
    75,364.75x = 4,897,208,406.52
  5. Step 5: Solve for x
    x = 4,897,208,406.52/75,364.75
  6. Step 6: Final answer
    x = 64,980.09

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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.