Home / 52,290.75-72,161.70-28,417.43

Finding the Fourth Proportional to 52,290.75, 72,161.70 and 28,417.43

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Solution

The fourth proportional to 52,290.75, 72,161.70 and 28,417.43 is: 39,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.75 : 72,161.70 = 28,417.43 : x
  2. Step 2: Convert to fraction form
    52,290.75/72,161.70 = 28,417.43/x
  3. Step 3: Cross multiply
    52,290.75x = 72,161.70 × 28,417.43
  4. Step 4: Simplify right side
    52,290.75x = 2,050,649,697.62
  5. Step 5: Solve for x
    x = 2,050,649,697.62/52,290.75
  6. Step 6: Final answer
    x = 39,216.30

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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.