Home / 109,725.93-151,421.79-59,424.93

Finding the Fourth Proportional to 109,725.93, 151,421.79 and 59,424.93

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Solution

The fourth proportional to 109,725.93, 151,421.79 and 59,424.93 is: 82,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.93 : 151,421.79 = 59,424.93 : x
  2. Step 2: Convert to fraction form
    109,725.93/151,421.79 = 59,424.93/x
  3. Step 3: Cross multiply
    109,725.93x = 151,421.79 × 59,424.93
  4. Step 4: Simplify right side
    109,725.93x = 8,998,228,974.10
  5. Step 5: Solve for x
    x = 8,998,228,974.10/109,725.93
  6. Step 6: Final answer
    x = 82,006.40

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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.