Home / 56,099.11-77,411.40-30,946.99

Finding the Fourth Proportional to 56,099.11, 77,411.40 and 30,946.99

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Solution

The fourth proportional to 56,099.11, 77,411.40 and 30,946.99 is: 42,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,099.11 : 77,411.40 = 30,946.99 : x
  2. Step 2: Convert to fraction form
    56,099.11/77,411.40 = 30,946.99/x
  3. Step 3: Cross multiply
    56,099.11x = 77,411.40 × 30,946.99
  4. Step 4: Simplify right side
    56,099.11x = 2,395,649,821.69
  5. Step 5: Solve for x
    x = 2,395,649,821.69/56,099.11
  6. Step 6: Final answer
    x = 42,703.88

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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.