Home / 103,764.23-155,294.50-63,808.31

Finding the Fourth Proportional to 103,764.23, 155,294.50 and 63,808.31

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Solution

The fourth proportional to 103,764.23, 155,294.50 and 63,808.31 is: 95,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,764.23 : 155,294.50 = 63,808.31 : x
  2. Step 2: Convert to fraction form
    103,764.23/155,294.50 = 63,808.31/x
  3. Step 3: Cross multiply
    103,764.23x = 155,294.50 × 63,808.31
  4. Step 4: Simplify right side
    103,764.23x = 9,909,079,341.31
  5. Step 5: Solve for x
    x = 9,909,079,341.31/103,764.23
  6. Step 6: Final answer
    x = 95,496.10

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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.