Home / 51,092.78-70,509.69-31,966.45

Finding the Fourth Proportional to 51,092.78, 70,509.69 and 31,966.45

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Solution

The fourth proportional to 51,092.78, 70,509.69 and 31,966.45 is: 44,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,092.78 : 70,509.69 = 31,966.45 : x
  2. Step 2: Convert to fraction form
    51,092.78/70,509.69 = 31,966.45/x
  3. Step 3: Cross multiply
    51,092.78x = 70,509.69 × 31,966.45
  4. Step 4: Simplify right side
    51,092.78x = 2,253,944,303.63
  5. Step 5: Solve for x
    x = 2,253,944,303.63/51,092.78
  6. Step 6: Final answer
    x = 44,114.74

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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.