Home / 75,350.75-103,966.58-45,124.61

Finding the Fourth Proportional to 75,350.75, 103,966.58 and 45,124.61

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Solution

The fourth proportional to 75,350.75, 103,966.58 and 45,124.61 is: 62,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.75 : 103,966.58 = 45,124.61 : x
  2. Step 2: Convert to fraction form
    75,350.75/103,966.58 = 45,124.61/x
  3. Step 3: Cross multiply
    75,350.75x = 103,966.58 × 45,124.61
  4. Step 4: Simplify right side
    75,350.75x = 4,691,450,968.51
  5. Step 5: Solve for x
    x = 4,691,450,968.51/75,350.75
  6. Step 6: Final answer
    x = 62,261.51

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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.