Home / 109,725.13-151,420.67-59,424.13

Finding the Fourth Proportional to 109,725.13, 151,420.67 and 59,424.13

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Solution

The fourth proportional to 109,725.13, 151,420.67 and 59,424.13 is: 82,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.13 : 151,420.67 = 59,424.13 : x
  2. Step 2: Convert to fraction form
    109,725.13/151,420.67 = 59,424.13/x
  3. Step 3: Cross multiply
    109,725.13x = 151,420.67 × 59,424.13
  4. Step 4: Simplify right side
    109,725.13x = 8,998,040,970.22
  5. Step 5: Solve for x
    x = 8,998,040,970.22/109,725.13
  6. Step 6: Final answer
    x = 82,005.29

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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.