Home / 53,130.43-73,315.56-29,258.38

Finding the Fourth Proportional to 53,130.43, 73,315.56 and 29,258.38

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Solution

The fourth proportional to 53,130.43, 73,315.56 and 29,258.38 is: 40,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.43 : 73,315.56 = 29,258.38 : x
  2. Step 2: Convert to fraction form
    53,130.43/73,315.56 = 29,258.38/x
  3. Step 3: Cross multiply
    53,130.43x = 73,315.56 × 29,258.38
  4. Step 4: Simplify right side
    53,130.43x = 2,145,094,514.39
  5. Step 5: Solve for x
    x = 2,145,094,514.39/53,130.43
  6. Step 6: Final answer
    x = 40,374.12

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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.