Home / 107,466.32-161,324.02-57,643.72

Finding the Fourth Proportional to 107,466.32, 161,324.02 and 57,643.72

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Solution

The fourth proportional to 107,466.32, 161,324.02 and 57,643.72 is: 86,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,466.32 : 161,324.02 = 57,643.72 : x
  2. Step 2: Convert to fraction form
    107,466.32/161,324.02 = 57,643.72/x
  3. Step 3: Cross multiply
    107,466.32x = 161,324.02 × 57,643.72
  4. Step 4: Simplify right side
    107,466.32x = 9,299,316,638.15
  5. Step 5: Solve for x
    x = 9,299,316,638.15/107,466.32
  6. Step 6: Final answer
    x = 86,532.38

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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.