Home / 105,032.24-157,507.25-45,827.72

Finding the Fourth Proportional to 105,032.24, 157,507.25 and 45,827.72

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Solution

The fourth proportional to 105,032.24, 157,507.25 and 45,827.72 is: 68,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,032.24 : 157,507.25 = 45,827.72 : x
  2. Step 2: Convert to fraction form
    105,032.24/157,507.25 = 45,827.72/x
  3. Step 3: Cross multiply
    105,032.24x = 157,507.25 × 45,827.72
  4. Step 4: Simplify right side
    105,032.24x = 7,218,197,134.30
  5. Step 5: Solve for x
    x = 7,218,197,134.30/105,032.24
  6. Step 6: Final answer
    x = 68,723.64

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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.