Home / 64,221.76-96,291.60-30,875.48

Finding the Fourth Proportional to 64,221.76, 96,291.60 and 30,875.48

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Solution

The fourth proportional to 64,221.76, 96,291.60 and 30,875.48 is: 46,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.76 : 96,291.60 = 30,875.48 : x
  2. Step 2: Convert to fraction form
    64,221.76/96,291.60 = 30,875.48/x
  3. Step 3: Cross multiply
    64,221.76x = 96,291.60 × 30,875.48
  4. Step 4: Simplify right side
    64,221.76x = 2,973,049,369.97
  5. Step 5: Solve for x
    x = 2,973,049,369.97/64,221.76
  6. Step 6: Final answer
    x = 46,293.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.