Home / 55,666.08-83,456.28-18,203.40

Finding the Fourth Proportional to 55,666.08, 83,456.28 and 18,203.40

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Solution

The fourth proportional to 55,666.08, 83,456.28 and 18,203.40 is: 27,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.08 : 83,456.28 = 18,203.40 : x
  2. Step 2: Convert to fraction form
    55,666.08/83,456.28 = 18,203.40/x
  3. Step 3: Cross multiply
    55,666.08x = 83,456.28 × 18,203.40
  4. Step 4: Simplify right side
    55,666.08x = 1,519,188,047.35
  5. Step 5: Solve for x
    x = 1,519,188,047.35/55,666.08
  6. Step 6: Final answer
    x = 27,291.09

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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.