Home / 109,681.68-164,618.50-53,563.26

Finding the Fourth Proportional to 109,681.68, 164,618.50 and 53,563.26

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Solution

The fourth proportional to 109,681.68, 164,618.50 and 53,563.26 is: 80,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.68 : 164,618.50 = 53,563.26 : x
  2. Step 2: Convert to fraction form
    109,681.68/164,618.50 = 53,563.26/x
  3. Step 3: Cross multiply
    109,681.68x = 164,618.50 × 53,563.26
  4. Step 4: Simplify right side
    109,681.68x = 8,817,503,516.31
  5. Step 5: Solve for x
    x = 8,817,503,516.31/109,681.68
  6. Step 6: Final answer
    x = 80,391.76

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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.