Home / 98,102.20-135,374.38-53,389.24

Finding the Fourth Proportional to 98,102.20, 135,374.38 and 53,389.24

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Solution

The fourth proportional to 98,102.20, 135,374.38 and 53,389.24 is: 73,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,102.20 : 135,374.38 = 53,389.24 : x
  2. Step 2: Convert to fraction form
    98,102.20/135,374.38 = 53,389.24/x
  3. Step 3: Cross multiply
    98,102.20x = 135,374.38 × 53,389.24
  4. Step 4: Simplify right side
    98,102.20x = 7,227,535,263.67
  5. Step 5: Solve for x
    x = 7,227,535,263.67/98,102.20
  6. Step 6: Final answer
    x = 73,673.53

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1.5x scale

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.