Home / 99,626.43-137,480.47-54,303.46

Finding the Fourth Proportional to 99,626.43, 137,480.47 and 54,303.46

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Solution

The fourth proportional to 99,626.43, 137,480.47 and 54,303.46 is: 74,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.43 : 137,480.47 = 54,303.46 : x
  2. Step 2: Convert to fraction form
    99,626.43/137,480.47 = 54,303.46/x
  3. Step 3: Cross multiply
    99,626.43x = 137,480.47 × 54,303.46
  4. Step 4: Simplify right side
    99,626.43x = 7,465,665,203.43
  5. Step 5: Solve for x
    x = 7,465,665,203.43/99,626.43
  6. Step 6: Final answer
    x = 74,936.59

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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.