Home / 63,728.19-87,944.36-35,433.63

Finding the Fourth Proportional to 63,728.19, 87,944.36 and 35,433.63

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Solution

The fourth proportional to 63,728.19, 87,944.36 and 35,433.63 is: 48,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.19 : 87,944.36 = 35,433.63 : x
  2. Step 2: Convert to fraction form
    63,728.19/87,944.36 = 35,433.63/x
  3. Step 3: Cross multiply
    63,728.19x = 87,944.36 × 35,433.63
  4. Step 4: Simplify right side
    63,728.19x = 3,116,187,561.69
  5. Step 5: Solve for x
    x = 3,116,187,561.69/63,728.19
  6. Step 6: Final answer
    x = 48,898.11

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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.