Home / 109,513.13-164,206.81-42,875.24

Finding the Fourth Proportional to 109,513.13, 164,206.81 and 42,875.24

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Solution

The fourth proportional to 109,513.13, 164,206.81 and 42,875.24 is: 64,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,513.13 : 164,206.81 = 42,875.24 : x
  2. Step 2: Convert to fraction form
    109,513.13/164,206.81 = 42,875.24/x
  3. Step 3: Cross multiply
    109,513.13x = 164,206.81 × 42,875.24
  4. Step 4: Simplify right side
    109,513.13x = 7,040,405,352.97
  5. Step 5: Solve for x
    x = 7,040,405,352.97/109,513.13
  6. Step 6: Final answer
    x = 64,288.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.