Home / 100,953.18-151,424.32-30,827.04

Finding the Fourth Proportional to 100,953.18, 151,424.32 and 30,827.04

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Solution

The fourth proportional to 100,953.18, 151,424.32 and 30,827.04 is: 46,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953.18 : 151,424.32 = 30,827.04 : x
  2. Step 2: Convert to fraction form
    100,953.18/151,424.32 = 30,827.04/x
  3. Step 3: Cross multiply
    100,953.18x = 151,424.32 × 30,827.04
  4. Step 4: Simplify right side
    100,953.18x = 4,667,963,569.61
  5. Step 5: Solve for x
    x = 4,667,963,569.61/100,953.18
  6. Step 6: Final answer
    x = 46,238.90

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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.