Home / 52,240.72-72,090.33-28,366.90

Finding the Fourth Proportional to 52,240.72, 72,090.33 and 28,366.90

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Solution

The fourth proportional to 52,240.72, 72,090.33 and 28,366.90 is: 39,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,240.72 : 72,090.33 = 28,366.90 : x
  2. Step 2: Convert to fraction form
    52,240.72/72,090.33 = 28,366.90/x
  3. Step 3: Cross multiply
    52,240.72x = 72,090.33 × 28,366.90
  4. Step 4: Simplify right side
    52,240.72x = 2,044,979,182.08
  5. Step 5: Solve for x
    x = 2,044,979,182.08/52,240.72
  6. Step 6: Final answer
    x = 39,145.31

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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.