Home / 109,040.40-163,560.06-29,078.19

Finding the Fourth Proportional to 109,040.40, 163,560.06 and 29,078.19

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Solution

The fourth proportional to 109,040.40, 163,560.06 and 29,078.19 is: 43,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.40 : 163,560.06 = 29,078.19 : x
  2. Step 2: Convert to fraction form
    109,040.40/163,560.06 = 29,078.19/x
  3. Step 3: Cross multiply
    109,040.40x = 163,560.06 × 29,078.19
  4. Step 4: Simplify right side
    109,040.40x = 4,756,030,501.09
  5. Step 5: Solve for x
    x = 4,756,030,501.09/109,040.40
  6. Step 6: Final answer
    x = 43,617.14

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1.5x scale

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.