Home / 64,001.28-88,321.14-35,321.21

Finding the Fourth Proportional to 64,001.28, 88,321.14 and 35,321.21

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Solution

The fourth proportional to 64,001.28, 88,321.14 and 35,321.21 is: 48,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001.28 : 88,321.14 = 35,321.21 : x
  2. Step 2: Convert to fraction form
    64,001.28/88,321.14 = 35,321.21/x
  3. Step 3: Cross multiply
    64,001.28x = 88,321.14 × 35,321.21
  4. Step 4: Simplify right side
    64,001.28x = 3,119,609,533.38
  5. Step 5: Solve for x
    x = 3,119,609,533.38/64,001.28
  6. Step 6: Final answer
    x = 48,742.92

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Double scale
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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.