Home / 102,490.15-153,739.34-32,369.48

Finding the Fourth Proportional to 102,490.15, 153,739.34 and 32,369.48

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Solution

The fourth proportional to 102,490.15, 153,739.34 and 32,369.48 is: 48,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,490.15 : 153,739.34 = 32,369.48 : x
  2. Step 2: Convert to fraction form
    102,490.15/153,739.34 = 32,369.48/x
  3. Step 3: Cross multiply
    102,490.15x = 153,739.34 × 32,369.48
  4. Step 4: Simplify right side
    102,490.15x = 4,976,462,491.34
  5. Step 5: Solve for x
    x = 4,976,462,491.34/102,490.15
  6. Step 6: Final answer
    x = 48,555.52

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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.