Home / 98,433.90-135,826.47-55,993.14

Finding the Fourth Proportional to 98,433.90, 135,826.47 and 55,993.14

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Solution

The fourth proportional to 98,433.90, 135,826.47 and 55,993.14 is: 77,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.90 : 135,826.47 = 55,993.14 : x
  2. Step 2: Convert to fraction form
    98,433.90/135,826.47 = 55,993.14/x
  3. Step 3: Cross multiply
    98,433.90x = 135,826.47 × 55,993.14
  4. Step 4: Simplify right side
    98,433.90x = 7,605,350,550.42
  5. Step 5: Solve for x
    x = 7,605,350,550.42/98,433.90
  6. Step 6: Final answer
    x = 77,263.53

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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.