Home / 47,100.72-64,970.20-27,967.52

Finding the Fourth Proportional to 47,100.72, 64,970.20 and 27,967.52

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Solution

The fourth proportional to 47,100.72, 64,970.20 and 27,967.52 is: 38,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.72 : 64,970.20 = 27,967.52 : x
  2. Step 2: Convert to fraction form
    47,100.72/64,970.20 = 27,967.52/x
  3. Step 3: Cross multiply
    47,100.72x = 64,970.20 × 27,967.52
  4. Step 4: Simplify right side
    47,100.72x = 1,817,055,367.90
  5. Step 5: Solve for x
    x = 1,817,055,367.90/47,100.72
  6. Step 6: Final answer
    x = 38,578.08

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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.