Home / 75,669.19-113,505-61,594.36

Finding the Fourth Proportional to 75,669.19, 113,505 and 61,594.36

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Solution

The fourth proportional to 75,669.19, 113,505 and 61,594.36 is: 92,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.19 : 113,505 = 61,594.36 : x
  2. Step 2: Convert to fraction form
    75,669.19/113,505 = 61,594.36/x
  3. Step 3: Cross multiply
    75,669.19x = 113,505 × 61,594.36
  4. Step 4: Simplify right side
    75,669.19x = 6,991,267,831.80
  5. Step 5: Solve for x
    x = 6,991,267,831.80/75,669.19
  6. Step 6: Final answer
    x = 92,392.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.