Home / 99,213.84-148,701.69-57,112.74

Finding the Fourth Proportional to 99,213.84, 148,701.69 and 57,112.74

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Solution

The fourth proportional to 99,213.84, 148,701.69 and 57,112.74 is: 85,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213.84 : 148,701.69 = 57,112.74 : x
  2. Step 2: Convert to fraction form
    99,213.84/148,701.69 = 57,112.74/x
  3. Step 3: Cross multiply
    99,213.84x = 148,701.69 × 57,112.74
  4. Step 4: Simplify right side
    99,213.84x = 8,492,760,958.53
  5. Step 5: Solve for x
    x = 8,492,760,958.53/99,213.84
  6. Step 6: Final answer
    x = 85,600.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.