Home / 52,201.30-72,036.36-28,916.92

Finding the Fourth Proportional to 52,201.30, 72,036.36 and 28,916.92

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Solution

The fourth proportional to 52,201.30, 72,036.36 and 28,916.92 is: 39,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.30 : 72,036.36 = 28,916.92 : x
  2. Step 2: Convert to fraction form
    52,201.30/72,036.36 = 28,916.92/x
  3. Step 3: Cross multiply
    52,201.30x = 72,036.36 × 28,916.92
  4. Step 4: Simplify right side
    52,201.30x = 2,083,069,659.21
  5. Step 5: Solve for x
    x = 2,083,069,659.21/52,201.30
  6. Step 6: Final answer
    x = 39,904.56

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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.