Home / 98,541.67-147,774.16-31,965.70

Finding the Fourth Proportional to 98,541.67, 147,774.16 and 31,965.70

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Solution

The fourth proportional to 98,541.67, 147,774.16 and 31,965.70 is: 47,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.67 : 147,774.16 = 31,965.70 : x
  2. Step 2: Convert to fraction form
    98,541.67/147,774.16 = 31,965.70/x
  3. Step 3: Cross multiply
    98,541.67x = 147,774.16 × 31,965.70
  4. Step 4: Simplify right side
    98,541.67x = 4,723,704,466.31
  5. Step 5: Solve for x
    x = 4,723,704,466.31/98,541.67
  6. Step 6: Final answer
    x = 47,936.11

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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.