Home / 75,255.74-103,775.42-52,586.46

Finding the Fourth Proportional to 75,255.74, 103,775.42 and 52,586.46

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Solution

The fourth proportional to 75,255.74, 103,775.42 and 52,586.46 is: 72,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.74 : 103,775.42 = 52,586.46 : x
  2. Step 2: Convert to fraction form
    75,255.74/103,775.42 = 52,586.46/x
  3. Step 3: Cross multiply
    75,255.74x = 103,775.42 × 52,586.46
  4. Step 4: Simplify right side
    75,255.74x = 5,457,181,972.81
  5. Step 5: Solve for x
    x = 5,457,181,972.81/75,255.74
  6. Step 6: Final answer
    x = 72,515.16

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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.