Home / 104,670.64-157,072.56-38,104.30

Finding the Fourth Proportional to 104,670.64, 157,072.56 and 38,104.30

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Solution

The fourth proportional to 104,670.64, 157,072.56 and 38,104.30 is: 57,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.64 : 157,072.56 = 38,104.30 : x
  2. Step 2: Convert to fraction form
    104,670.64/157,072.56 = 38,104.30/x
  3. Step 3: Cross multiply
    104,670.64x = 157,072.56 × 38,104.30
  4. Step 4: Simplify right side
    104,670.64x = 5,985,139,948.01
  5. Step 5: Solve for x
    x = 5,985,139,948.01/104,670.64
  6. Step 6: Final answer
    x = 57,180.70

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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.