Home / 102,418.72-153,628.08-32,305.12

Finding the Fourth Proportional to 102,418.72, 153,628.08 and 32,305.12

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Solution

The fourth proportional to 102,418.72, 153,628.08 and 32,305.12 is: 48,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,418.72 : 153,628.08 = 32,305.12 : x
  2. Step 2: Convert to fraction form
    102,418.72/153,628.08 = 32,305.12/x
  3. Step 3: Cross multiply
    102,418.72x = 153,628.08 × 32,305.12
  4. Step 4: Simplify right side
    102,418.72x = 4,962,973,559.77
  5. Step 5: Solve for x
    x = 4,962,973,559.77/102,418.72
  6. Step 6: Final answer
    x = 48,457.68

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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.