Home / 54,281.77-81,515.14-35,338.67

Finding the Fourth Proportional to 54,281.77, 81,515.14 and 35,338.67

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Solution

The fourth proportional to 54,281.77, 81,515.14 and 35,338.67 is: 53,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.77 : 81,515.14 = 35,338.67 : x
  2. Step 2: Convert to fraction form
    54,281.77/81,515.14 = 35,338.67/x
  3. Step 3: Cross multiply
    54,281.77x = 81,515.14 × 35,338.67
  4. Step 4: Simplify right side
    54,281.77x = 2,880,636,641.00
  5. Step 5: Solve for x
    x = 2,880,636,641.00/54,281.77
  6. Step 6: Final answer
    x = 53,068.22

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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.