Home / 98,343.16-135,693.21-57,499.41

Finding the Fourth Proportional to 98,343.16, 135,693.21 and 57,499.41

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Solution

The fourth proportional to 98,343.16, 135,693.21 and 57,499.41 is: 79,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,343.16 : 135,693.21 = 57,499.41 : x
  2. Step 2: Convert to fraction form
    98,343.16/135,693.21 = 57,499.41/x
  3. Step 3: Cross multiply
    98,343.16x = 135,693.21 × 57,499.41
  4. Step 4: Simplify right side
    98,343.16x = 7,802,279,516.01
  5. Step 5: Solve for x
    x = 7,802,279,516.01/98,343.16
  6. Step 6: Final answer
    x = 79,337.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.