Home / 52,220.93-72,064.97-28,347.59

Finding the Fourth Proportional to 52,220.93, 72,064.97 and 28,347.59

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Solution

The fourth proportional to 52,220.93, 72,064.97 and 28,347.59 is: 39,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.93 : 72,064.97 = 28,347.59 : x
  2. Step 2: Convert to fraction form
    52,220.93/72,064.97 = 28,347.59/x
  3. Step 3: Cross multiply
    52,220.93x = 72,064.97 × 28,347.59
  4. Step 4: Simplify right side
    52,220.93x = 2,042,867,720.86
  5. Step 5: Solve for x
    x = 2,042,867,720.86/52,220.93
  6. Step 6: Final answer
    x = 39,119.72

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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.