Home / 99,828.84-149,701.66-40,624.32

Finding the Fourth Proportional to 99,828.84, 149,701.66 and 40,624.32

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Solution

The fourth proportional to 99,828.84, 149,701.66 and 40,624.32 is: 60,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.84 : 149,701.66 = 40,624.32 : x
  2. Step 2: Convert to fraction form
    99,828.84/149,701.66 = 40,624.32/x
  3. Step 3: Cross multiply
    99,828.84x = 149,701.66 × 40,624.32
  4. Step 4: Simplify right side
    99,828.84x = 6,081,528,140.37
  5. Step 5: Solve for x
    x = 6,081,528,140.37/99,828.84
  6. Step 6: Final answer
    x = 60,919.55

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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.