Home / 63,277.45-87,320.11-36,420.82

Finding the Fourth Proportional to 63,277.45, 87,320.11 and 36,420.82

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Solution

The fourth proportional to 63,277.45, 87,320.11 and 36,420.82 is: 50,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,277.45 : 87,320.11 = 36,420.82 : x
  2. Step 2: Convert to fraction form
    63,277.45/87,320.11 = 36,420.82/x
  3. Step 3: Cross multiply
    63,277.45x = 87,320.11 × 36,420.82
  4. Step 4: Simplify right side
    63,277.45x = 3,180,270,008.69
  5. Step 5: Solve for x
    x = 3,180,270,008.69/63,277.45
  6. Step 6: Final answer
    x = 50,259.14

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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.