Home / 98,583.72-147,467.94-74,711.40

Finding the Fourth Proportional to 98,583.72, 147,467.94 and 74,711.40

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Solution

The fourth proportional to 98,583.72, 147,467.94 and 74,711.40 is: 111,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.72 : 147,467.94 = 74,711.40 : x
  2. Step 2: Convert to fraction form
    98,583.72/147,467.94 = 74,711.40/x
  3. Step 3: Cross multiply
    98,583.72x = 147,467.94 × 74,711.40
  4. Step 4: Simplify right side
    98,583.72x = 11,017,536,252.52
  5. Step 5: Solve for x
    x = 11,017,536,252.52/98,583.72
  6. Step 6: Final answer
    x = 111,758.17

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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.