Home / 56,921.46-78,544.37-31,772.02

Finding the Fourth Proportional to 56,921.46, 78,544.37 and 31,772.02

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Solution

The fourth proportional to 56,921.46, 78,544.37 and 31,772.02 is: 43,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.46 : 78,544.37 = 31,772.02 : x
  2. Step 2: Convert to fraction form
    56,921.46/78,544.37 = 31,772.02/x
  3. Step 3: Cross multiply
    56,921.46x = 78,544.37 × 31,772.02
  4. Step 4: Simplify right side
    56,921.46x = 2,495,513,294.53
  5. Step 5: Solve for x
    x = 2,495,513,294.53/56,921.46
  6. Step 6: Final answer
    x = 43,841.34

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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.