Home / 63,512.29-87,640.65-36,663.45

Finding the Fourth Proportional to 63,512.29, 87,640.65 and 36,663.45

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Solution

The fourth proportional to 63,512.29, 87,640.65 and 36,663.45 is: 50,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.29 : 87,640.65 = 36,663.45 : x
  2. Step 2: Convert to fraction form
    63,512.29/87,640.65 = 36,663.45/x
  3. Step 3: Cross multiply
    63,512.29x = 87,640.65 × 36,663.45
  4. Step 4: Simplify right side
    63,512.29x = 3,213,208,405.93
  5. Step 5: Solve for x
    x = 3,213,208,405.93/63,512.29
  6. Step 6: Final answer
    x = 50,591.92

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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.