Home / 81,153.41-111,994.18-45,344.93

Finding the Fourth Proportional to 81,153.41, 111,994.18 and 45,344.93

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Solution

The fourth proportional to 81,153.41, 111,994.18 and 45,344.93 is: 62,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,153.41 : 111,994.18 = 45,344.93 : x
  2. Step 2: Convert to fraction form
    81,153.41/111,994.18 = 45,344.93/x
  3. Step 3: Cross multiply
    81,153.41x = 111,994.18 × 45,344.93
  4. Step 4: Simplify right side
    81,153.41x = 5,078,367,579.17
  5. Step 5: Solve for x
    x = 5,078,367,579.17/81,153.41
  6. Step 6: Final answer
    x = 62,577.38

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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.