Home / 55,818.74-77,031.06-34,320.80

Finding the Fourth Proportional to 55,818.74, 77,031.06 and 34,320.80

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Solution

The fourth proportional to 55,818.74, 77,031.06 and 34,320.80 is: 47,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.74 : 77,031.06 = 34,320.80 : x
  2. Step 2: Convert to fraction form
    55,818.74/77,031.06 = 34,320.80/x
  3. Step 3: Cross multiply
    55,818.74x = 77,031.06 × 34,320.80
  4. Step 4: Simplify right side
    55,818.74x = 2,643,767,604.05
  5. Step 5: Solve for x
    x = 2,643,767,604.05/55,818.74
  6. Step 6: Final answer
    x = 47,363.44

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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.