Home / 99,324.93-137,071.10-54,005.96

Finding the Fourth Proportional to 99,324.93, 137,071.10 and 54,005.96

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Solution

The fourth proportional to 99,324.93, 137,071.10 and 54,005.96 is: 74,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.93 : 137,071.10 = 54,005.96 : x
  2. Step 2: Convert to fraction form
    99,324.93/137,071.10 = 54,005.96/x
  3. Step 3: Cross multiply
    99,324.93x = 137,071.10 × 54,005.96
  4. Step 4: Simplify right side
    99,324.93x = 7,402,655,388.37
  5. Step 5: Solve for x
    x = 7,402,655,388.37/99,324.93
  6. Step 6: Final answer
    x = 74,529.68

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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.