Home / 56,461.25-84,623.54-31,474.78

Finding the Fourth Proportional to 56,461.25, 84,623.54 and 31,474.78

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Solution

The fourth proportional to 56,461.25, 84,623.54 and 31,474.78 is: 47,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,461.25 : 84,623.54 = 31,474.78 : x
  2. Step 2: Convert to fraction form
    56,461.25/84,623.54 = 31,474.78/x
  3. Step 3: Cross multiply
    56,461.25x = 84,623.54 × 31,474.78
  4. Step 4: Simplify right side
    56,461.25x = 2,663,506,935.39
  5. Step 5: Solve for x
    x = 2,663,506,935.39/56,461.25
  6. Step 6: Final answer
    x = 47,174.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.