Home / 99,626.39-137,480.29-54,303.38

Finding the Fourth Proportional to 99,626.39, 137,480.29 and 54,303.38

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Solution

The fourth proportional to 99,626.39, 137,480.29 and 54,303.38 is: 74,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.39 : 137,480.29 = 54,303.38 : x
  2. Step 2: Convert to fraction form
    99,626.39/137,480.29 = 54,303.38/x
  3. Step 3: Cross multiply
    99,626.39x = 137,480.29 × 54,303.38
  4. Step 4: Simplify right side
    99,626.39x = 7,465,644,412.77
  5. Step 5: Solve for x
    x = 7,465,644,412.77/99,626.39
  6. Step 6: Final answer
    x = 74,936.41

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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.