Home / 53,130.30-73,318.68-29,256.36

Finding the Fourth Proportional to 53,130.30, 73,318.68 and 29,256.36

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Solution

The fourth proportional to 53,130.30, 73,318.68 and 29,256.36 is: 40,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.30 : 73,318.68 = 29,256.36 : x
  2. Step 2: Convert to fraction form
    53,130.30/73,318.68 = 29,256.36/x
  3. Step 3: Cross multiply
    53,130.30x = 73,318.68 × 29,256.36
  4. Step 4: Simplify right side
    53,130.30x = 2,145,037,696.80
  5. Step 5: Solve for x
    x = 2,145,037,696.80/53,130.30
  6. Step 6: Final answer
    x = 40,373.15

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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.