Home / 53,129.53-73,318.75-29,256.15

Finding the Fourth Proportional to 53,129.53, 73,318.75 and 29,256.15

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Solution

The fourth proportional to 53,129.53, 73,318.75 and 29,256.15 is: 40,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.53 : 73,318.75 = 29,256.15 : x
  2. Step 2: Convert to fraction form
    53,129.53/73,318.75 = 29,256.15/x
  3. Step 3: Cross multiply
    53,129.53x = 73,318.75 × 29,256.15
  4. Step 4: Simplify right side
    53,129.53x = 2,145,024,301.77
  5. Step 5: Solve for x
    x = 2,145,024,301.77/53,129.53
  6. Step 6: Final answer
    x = 40,373.48

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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.