Home / 52,666.51-72,679.78-28,793.18

Finding the Fourth Proportional to 52,666.51, 72,679.78 and 28,793.18

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Solution

The fourth proportional to 52,666.51, 72,679.78 and 28,793.18 is: 39,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.51 : 72,679.78 = 28,793.18 : x
  2. Step 2: Convert to fraction form
    52,666.51/72,679.78 = 28,793.18/x
  3. Step 3: Cross multiply
    52,666.51x = 72,679.78 × 28,793.18
  4. Step 4: Simplify right side
    52,666.51x = 2,092,682,001.18
  5. Step 5: Solve for x
    x = 2,092,682,001.18/52,666.51
  6. Step 6: Final answer
    x = 39,734.58

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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.