Home / 90,952.02-136,382.28-53,013.48

Finding the Fourth Proportional to 90,952.02, 136,382.28 and 53,013.48

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Solution

The fourth proportional to 90,952.02, 136,382.28 and 53,013.48 is: 79,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.02 : 136,382.28 = 53,013.48 : x
  2. Step 2: Convert to fraction form
    90,952.02/136,382.28 = 53,013.48/x
  3. Step 3: Cross multiply
    90,952.02x = 136,382.28 × 53,013.48
  4. Step 4: Simplify right side
    90,952.02x = 7,230,099,273.13
  5. Step 5: Solve for x
    x = 7,230,099,273.13/90,952.02
  6. Step 6: Final answer
    x = 79,493.55

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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.