Home / 75,608.08-104,343.24-42,074.80

Finding the Fourth Proportional to 75,608.08, 104,343.24 and 42,074.80

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Solution

The fourth proportional to 75,608.08, 104,343.24 and 42,074.80 is: 58,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608.08 : 104,343.24 = 42,074.80 : x
  2. Step 2: Convert to fraction form
    75,608.08/104,343.24 = 42,074.80/x
  3. Step 3: Cross multiply
    75,608.08x = 104,343.24 × 42,074.80
  4. Step 4: Simplify right side
    75,608.08x = 4,390,220,954.35
  5. Step 5: Solve for x
    x = 4,390,220,954.35/75,608.08
  6. Step 6: Final answer
    x = 58,065.50

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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.