Home / 52,291.35-72,161.01-28,418.63

Finding the Fourth Proportional to 52,291.35, 72,161.01 and 28,418.63

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Solution

The fourth proportional to 52,291.35, 72,161.01 and 28,418.63 is: 39,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.35 : 72,161.01 = 28,418.63 : x
  2. Step 2: Convert to fraction form
    52,291.35/72,161.01 = 28,418.63/x
  3. Step 3: Cross multiply
    52,291.35x = 72,161.01 × 28,418.63
  4. Step 4: Simplify right side
    52,291.35x = 2,050,716,682.81
  5. Step 5: Solve for x
    x = 2,050,716,682.81/52,291.35
  6. Step 6: Final answer
    x = 39,217.13

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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.