Home / 90,562.86-124,991.64-52,837.02

Finding the Fourth Proportional to 90,562.86, 124,991.64 and 52,837.02

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Solution

The fourth proportional to 90,562.86, 124,991.64 and 52,837.02 is: 72,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,562.86 : 124,991.64 = 52,837.02 : x
  2. Step 2: Convert to fraction form
    90,562.86/124,991.64 = 52,837.02/x
  3. Step 3: Cross multiply
    90,562.86x = 124,991.64 × 52,837.02
  4. Step 4: Simplify right side
    90,562.86x = 6,604,185,782.51
  5. Step 5: Solve for x
    x = 6,604,185,782.51/90,562.86
  6. Step 6: Final answer
    x = 72,923.78

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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.