Home / 98,813.06-147,928.89-61,252.55

Finding the Fourth Proportional to 98,813.06, 147,928.89 and 61,252.55

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Solution

The fourth proportional to 98,813.06, 147,928.89 and 61,252.55 is: 91,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,813.06 : 147,928.89 = 61,252.55 : x
  2. Step 2: Convert to fraction form
    98,813.06/147,928.89 = 61,252.55/x
  3. Step 3: Cross multiply
    98,813.06x = 147,928.89 × 61,252.55
  4. Step 4: Simplify right side
    98,813.06x = 9,061,021,731.17
  5. Step 5: Solve for x
    x = 9,061,021,731.17/98,813.06
  6. Step 6: Final answer
    x = 91,698.62

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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.