Home / 52,164.95-71,987.27-28,291.68

Finding the Fourth Proportional to 52,164.95, 71,987.27 and 28,291.68

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Solution

The fourth proportional to 52,164.95, 71,987.27 and 28,291.68 is: 39,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.95 : 71,987.27 = 28,291.68 : x
  2. Step 2: Convert to fraction form
    52,164.95/71,987.27 = 28,291.68/x
  3. Step 3: Cross multiply
    52,164.95x = 71,987.27 × 28,291.68
  4. Step 4: Simplify right side
    52,164.95x = 2,036,640,665.46
  5. Step 5: Solve for x
    x = 2,036,640,665.46/52,164.95
  6. Step 6: Final answer
    x = 39,042.32

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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.