Home / 53,927.10-80,938.65-31,712.70

Finding the Fourth Proportional to 53,927.10, 80,938.65 and 31,712.70

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Solution

The fourth proportional to 53,927.10, 80,938.65 and 31,712.70 is: 47,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,927.10 : 80,938.65 = 31,712.70 : x
  2. Step 2: Convert to fraction form
    53,927.10/80,938.65 = 31,712.70/x
  3. Step 3: Cross multiply
    53,927.10x = 80,938.65 × 31,712.70
  4. Step 4: Simplify right side
    53,927.10x = 2,566,783,125.86
  5. Step 5: Solve for x
    x = 2,566,783,125.86/53,927.10
  6. Step 6: Final answer
    x = 47,597.28

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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.