Home / 47,293.72-65,253.73-31,159.24

Finding the Fourth Proportional to 47,293.72, 65,253.73 and 31,159.24

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Solution

The fourth proportional to 47,293.72, 65,253.73 and 31,159.24 is: 42,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293.72 : 65,253.73 = 31,159.24 : x
  2. Step 2: Convert to fraction form
    47,293.72/65,253.73 = 31,159.24/x
  3. Step 3: Cross multiply
    47,293.72x = 65,253.73 × 31,159.24
  4. Step 4: Simplify right side
    47,293.72x = 2,033,256,478.17
  5. Step 5: Solve for x
    x = 2,033,256,478.17/47,293.72
  6. Step 6: Final answer
    x = 42,992.10

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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.