Home / 45,305.13-62,448.38-30,764.76

Finding the Fourth Proportional to 45,305.13, 62,448.38 and 30,764.76

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Solution

The fourth proportional to 45,305.13, 62,448.38 and 30,764.76 is: 42,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.13 : 62,448.38 = 30,764.76 : x
  2. Step 2: Convert to fraction form
    45,305.13/62,448.38 = 30,764.76/x
  3. Step 3: Cross multiply
    45,305.13x = 62,448.38 × 30,764.76
  4. Step 4: Simplify right side
    45,305.13x = 1,921,209,323.50
  5. Step 5: Solve for x
    x = 1,921,209,323.50/45,305.13
  6. Step 6: Final answer
    x = 42,406.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.