Home / 63,721.77-87,936.15-35,427.48

Finding the Fourth Proportional to 63,721.77, 87,936.15 and 35,427.48

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Solution

The fourth proportional to 63,721.77, 87,936.15 and 35,427.48 is: 48,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.77 : 87,936.15 = 35,427.48 : x
  2. Step 2: Convert to fraction form
    63,721.77/87,936.15 = 35,427.48/x
  3. Step 3: Cross multiply
    63,721.77x = 87,936.15 × 35,427.48
  4. Step 4: Simplify right side
    63,721.77x = 3,115,356,195.40
  5. Step 5: Solve for x
    x = 3,115,356,195.40/63,721.77
  6. Step 6: Final answer
    x = 48,889.98

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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.