Home / 75,765.37-104,568.53-45,581.20

Finding the Fourth Proportional to 75,765.37, 104,568.53 and 45,581.20

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Solution

The fourth proportional to 75,765.37, 104,568.53 and 45,581.20 is: 62,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.37 : 104,568.53 = 45,581.20 : x
  2. Step 2: Convert to fraction form
    75,765.37/104,568.53 = 45,581.20/x
  3. Step 3: Cross multiply
    75,765.37x = 104,568.53 × 45,581.20
  4. Step 4: Simplify right side
    75,765.37x = 4,766,358,328.89
  5. Step 5: Solve for x
    x = 4,766,358,328.89/75,765.37
  6. Step 6: Final answer
    x = 62,909.46

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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.