Home / 115,133.48-172,699.98-36,254.60

Finding the Fourth Proportional to 115,133.48, 172,699.98 and 36,254.60

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Solution

The fourth proportional to 115,133.48, 172,699.98 and 36,254.60 is: 54,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,133.48 : 172,699.98 = 36,254.60 : x
  2. Step 2: Convert to fraction form
    115,133.48/172,699.98 = 36,254.60/x
  3. Step 3: Cross multiply
    115,133.48x = 172,699.98 × 36,254.60
  4. Step 4: Simplify right side
    115,133.48x = 6,261,168,694.91
  5. Step 5: Solve for x
    x = 6,261,168,694.91/115,133.48
  6. Step 6: Final answer
    x = 54,381.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.