Home / 45,264.70-67,870.74-30,288.93

Finding the Fourth Proportional to 45,264.70, 67,870.74 and 30,288.93

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Solution

The fourth proportional to 45,264.70, 67,870.74 and 30,288.93 is: 45,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.70 : 67,870.74 = 30,288.93 : x
  2. Step 2: Convert to fraction form
    45,264.70/67,870.74 = 30,288.93/x
  3. Step 3: Cross multiply
    45,264.70x = 67,870.74 × 30,288.93
  4. Step 4: Simplify right side
    45,264.70x = 2,055,732,092.91
  5. Step 5: Solve for x
    x = 2,055,732,092.91/45,264.70
  6. Step 6: Final answer
    x = 45,415.79

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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.