Home / 63,697.82-87,820.35-40,996.22

Finding the Fourth Proportional to 63,697.82, 87,820.35 and 40,996.22

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Solution

The fourth proportional to 63,697.82, 87,820.35 and 40,996.22 is: 56,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.82 : 87,820.35 = 40,996.22 : x
  2. Step 2: Convert to fraction form
    63,697.82/87,820.35 = 40,996.22/x
  3. Step 3: Cross multiply
    63,697.82x = 87,820.35 × 40,996.22
  4. Step 4: Simplify right side
    63,697.82x = 3,600,302,389.08
  5. Step 5: Solve for x
    x = 3,600,302,389.08/63,697.82
  6. Step 6: Final answer
    x = 56,521.60

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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.