Home / 42,309.50-63,465.30-14,229.92

Finding the Fourth Proportional to 42,309.50, 63,465.30 and 14,229.92

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Solution

The fourth proportional to 42,309.50, 63,465.30 and 14,229.92 is: 21,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.50 : 63,465.30 = 14,229.92 : x
  2. Step 2: Convert to fraction form
    42,309.50/63,465.30 = 14,229.92/x
  3. Step 3: Cross multiply
    42,309.50x = 63,465.30 × 14,229.92
  4. Step 4: Simplify right side
    42,309.50x = 903,106,141.78
  5. Step 5: Solve for x
    x = 903,106,141.78/42,309.50
  6. Step 6: Final answer
    x = 21,345.23

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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.