Home / 64,326.12-96,491.34-57,021.54

Finding the Fourth Proportional to 64,326.12, 96,491.34 and 57,021.54

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Solution

The fourth proportional to 64,326.12, 96,491.34 and 57,021.54 is: 85,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.12 : 96,491.34 = 57,021.54 : x
  2. Step 2: Convert to fraction form
    64,326.12/96,491.34 = 57,021.54/x
  3. Step 3: Cross multiply
    64,326.12x = 96,491.34 × 57,021.54
  4. Step 4: Simplify right side
    64,326.12x = 5,502,084,803.46
  5. Step 5: Solve for x
    x = 5,502,084,803.46/64,326.12
  6. Step 6: Final answer
    x = 85,534.22

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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.