Home / 64,225.78-88,632.21-38,733.46

Finding the Fourth Proportional to 64,225.78, 88,632.21 and 38,733.46

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Solution

The fourth proportional to 64,225.78, 88,632.21 and 38,733.46 is: 53,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.78 : 88,632.21 = 38,733.46 : x
  2. Step 2: Convert to fraction form
    64,225.78/88,632.21 = 38,733.46/x
  3. Step 3: Cross multiply
    64,225.78x = 88,632.21 × 38,733.46
  4. Step 4: Simplify right side
    64,225.78x = 3,433,032,160.75
  5. Step 5: Solve for x
    x = 3,433,032,160.75/64,225.78
  6. Step 6: Final answer
    x = 53,452.56

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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.