Home / 52,078.10-71,866.93-28,204.57

Finding the Fourth Proportional to 52,078.10, 71,866.93 and 28,204.57

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Solution

The fourth proportional to 52,078.10, 71,866.93 and 28,204.57 is: 38,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.10 : 71,866.93 = 28,204.57 : x
  2. Step 2: Convert to fraction form
    52,078.10/71,866.93 = 28,204.57/x
  3. Step 3: Cross multiply
    52,078.10x = 71,866.93 × 28,204.57
  4. Step 4: Simplify right side
    52,078.10x = 2,026,975,357.51
  5. Step 5: Solve for x
    x = 2,026,975,357.51/52,078.10
  6. Step 6: Final answer
    x = 38,921.84

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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.