Home / 56,205.04-77,564.52-31,056.16

Finding the Fourth Proportional to 56,205.04, 77,564.52 and 31,056.16

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Solution

The fourth proportional to 56,205.04, 77,564.52 and 31,056.16 is: 42,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205.04 : 77,564.52 = 31,056.16 : x
  2. Step 2: Convert to fraction form
    56,205.04/77,564.52 = 31,056.16/x
  3. Step 3: Cross multiply
    56,205.04x = 77,564.52 × 31,056.16
  4. Step 4: Simplify right side
    56,205.04x = 2,408,856,143.44
  5. Step 5: Solve for x
    x = 2,408,856,143.44/56,205.04
  6. Step 6: Final answer
    x = 42,858.37

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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.