Home / 109,615.20-164,423.52-59,745.12

Finding the Fourth Proportional to 109,615.20, 164,423.52 and 59,745.12

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Solution

The fourth proportional to 109,615.20, 164,423.52 and 59,745.12 is: 89,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,615.20 : 164,423.52 = 59,745.12 : x
  2. Step 2: Convert to fraction form
    109,615.20/164,423.52 = 59,745.12/x
  3. Step 3: Cross multiply
    109,615.20x = 164,423.52 × 59,745.12
  4. Step 4: Simplify right side
    109,615.20x = 9,823,502,933.22
  5. Step 5: Solve for x
    x = 9,823,502,933.22/109,615.20
  6. Step 6: Final answer
    x = 89,618.07

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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.