Home / 97,991.10-147,004.47-64,738.98

Finding the Fourth Proportional to 97,991.10, 147,004.47 and 64,738.98

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Solution

The fourth proportional to 97,991.10, 147,004.47 and 64,738.98 is: 97,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,991.10 : 147,004.47 = 64,738.98 : x
  2. Step 2: Convert to fraction form
    97,991.10/147,004.47 = 64,738.98/x
  3. Step 3: Cross multiply
    97,991.10x = 147,004.47 × 64,738.98
  4. Step 4: Simplify right side
    97,991.10x = 9,516,919,443.24
  5. Step 5: Solve for x
    x = 9,516,919,443.24/97,991.10
  6. Step 6: Final answer
    x = 97,120.24

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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.