Home / 121,670.10-182,505.14-38,564.10

Finding the Fourth Proportional to 121,670.10, 182,505.14 and 38,564.10

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Solution

The fourth proportional to 121,670.10, 182,505.14 and 38,564.10 is: 57,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,670.10 : 182,505.14 = 38,564.10 : x
  2. Step 2: Convert to fraction form
    121,670.10/182,505.14 = 38,564.10/x
  3. Step 3: Cross multiply
    121,670.10x = 182,505.14 × 38,564.10
  4. Step 4: Simplify right side
    121,670.10x = 7,038,146,469.47
  5. Step 5: Solve for x
    x = 7,038,146,469.47/121,670.10
  6. Step 6: Final answer
    x = 57,846.15

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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.