Home / 75,868.36-104,698.20-42,334.36

Finding the Fourth Proportional to 75,868.36, 104,698.20 and 42,334.36

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Solution

The fourth proportional to 75,868.36, 104,698.20 and 42,334.36 is: 58,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.36 : 104,698.20 = 42,334.36 : x
  2. Step 2: Convert to fraction form
    75,868.36/104,698.20 = 42,334.36/x
  3. Step 3: Cross multiply
    75,868.36x = 104,698.20 × 42,334.36
  4. Step 4: Simplify right side
    75,868.36x = 4,432,331,290.15
  5. Step 5: Solve for x
    x = 4,432,331,290.15/75,868.36
  6. Step 6: Final answer
    x = 58,421.34

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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.