Home / 65,187.45-97,899.98-57,022.65

Finding the Fourth Proportional to 65,187.45, 97,899.98 and 57,022.65

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Solution

The fourth proportional to 65,187.45, 97,899.98 and 57,022.65 is: 85,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187.45 : 97,899.98 = 57,022.65 : x
  2. Step 2: Convert to fraction form
    65,187.45/97,899.98 = 57,022.65/x
  3. Step 3: Cross multiply
    65,187.45x = 97,899.98 × 57,022.65
  4. Step 4: Simplify right side
    65,187.45x = 5,582,516,009.43
  5. Step 5: Solve for x
    x = 5,582,516,009.43/65,187.45
  6. Step 6: Final answer
    x = 85,637.90

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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.