Home / 64,131.48-96,010.20-42,807.96

Finding the Fourth Proportional to 64,131.48, 96,010.20 and 42,807.96

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Solution

The fourth proportional to 64,131.48, 96,010.20 and 42,807.96 is: 64,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.48 : 96,010.20 = 42,807.96 : x
  2. Step 2: Convert to fraction form
    64,131.48/96,010.20 = 42,807.96/x
  3. Step 3: Cross multiply
    64,131.48x = 96,010.20 × 42,807.96
  4. Step 4: Simplify right side
    64,131.48x = 4,110,000,801.19
  5. Step 5: Solve for x
    x = 4,110,000,801.19/64,131.48
  6. Step 6: Final answer
    x = 64,087.10

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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.