Home / 99,386.93-137,150.01-54,064.97

Finding the Fourth Proportional to 99,386.93, 137,150.01 and 54,064.97

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Solution

The fourth proportional to 99,386.93, 137,150.01 and 54,064.97 is: 74,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,386.93 : 137,150.01 = 54,064.97 : x
  2. Step 2: Convert to fraction form
    99,386.93/137,150.01 = 54,064.97/x
  3. Step 3: Cross multiply
    99,386.93x = 137,150.01 × 54,064.97
  4. Step 4: Simplify right side
    99,386.93x = 7,415,010,905.82
  5. Step 5: Solve for x
    x = 7,415,010,905.82/99,386.93
  6. Step 6: Final answer
    x = 74,607.51

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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.