Home / 113,845.23-157,100.72-63,534.51

Finding the Fourth Proportional to 113,845.23, 157,100.72 and 63,534.51

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Solution

The fourth proportional to 113,845.23, 157,100.72 and 63,534.51 is: 87,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.23 : 157,100.72 = 63,534.51 : x
  2. Step 2: Convert to fraction form
    113,845.23/157,100.72 = 63,534.51/x
  3. Step 3: Cross multiply
    113,845.23x = 157,100.72 × 63,534.51
  4. Step 4: Simplify right side
    113,845.23x = 9,981,316,948.17
  5. Step 5: Solve for x
    x = 9,981,316,948.17/113,845.23
  6. Step 6: Final answer
    x = 87,674.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.