Home / 56,461.04-77,916.23-31,310.54

Finding the Fourth Proportional to 56,461.04, 77,916.23 and 31,310.54

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Solution

The fourth proportional to 56,461.04, 77,916.23 and 31,310.54 is: 43,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,461.04 : 77,916.23 = 31,310.54 : x
  2. Step 2: Convert to fraction form
    56,461.04/77,916.23 = 31,310.54/x
  3. Step 3: Cross multiply
    56,461.04x = 77,916.23 × 31,310.54
  4. Step 4: Simplify right side
    56,461.04x = 2,439,598,689.93
  5. Step 5: Solve for x
    x = 2,439,598,689.93/56,461.04
  6. Step 6: Final answer
    x = 43,208.54

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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.