Home / 63,186.03-87,237.68-39,322.35

Finding the Fourth Proportional to 63,186.03, 87,237.68 and 39,322.35

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Solution

The fourth proportional to 63,186.03, 87,237.68 and 39,322.35 is: 54,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.03 : 87,237.68 = 39,322.35 : x
  2. Step 2: Convert to fraction form
    63,186.03/87,237.68 = 39,322.35/x
  3. Step 3: Cross multiply
    63,186.03x = 87,237.68 × 39,322.35
  4. Step 4: Simplify right side
    63,186.03x = 3,430,390,389.54
  5. Step 5: Solve for x
    x = 3,430,390,389.54/63,186.03
  6. Step 6: Final answer
    x = 54,290.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.