Home / 98,011.98-147,004.13-31,443.46

Finding the Fourth Proportional to 98,011.98, 147,004.13 and 31,443.46

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Solution

The fourth proportional to 98,011.98, 147,004.13 and 31,443.46 is: 47,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,011.98 : 147,004.13 = 31,443.46 : x
  2. Step 2: Convert to fraction form
    98,011.98/147,004.13 = 31,443.46/x
  3. Step 3: Cross multiply
    98,011.98x = 147,004.13 × 31,443.46
  4. Step 4: Simplify right side
    98,011.98x = 4,622,318,192.59
  5. Step 5: Solve for x
    x = 4,622,318,192.59/98,011.98
  6. Step 6: Final answer
    x = 47,160.75

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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.