Home / 77,503.02-115,989.10-53,837.26

Finding the Fourth Proportional to 77,503.02, 115,989.10 and 53,837.26

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Solution

The fourth proportional to 77,503.02, 115,989.10 and 53,837.26 is: 80,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,503.02 : 115,989.10 = 53,837.26 : x
  2. Step 2: Convert to fraction form
    77,503.02/115,989.10 = 53,837.26/x
  3. Step 3: Cross multiply
    77,503.02x = 115,989.10 × 53,837.26
  4. Step 4: Simplify right side
    77,503.02x = 6,244,535,333.87
  5. Step 5: Solve for x
    x = 6,244,535,333.87/77,503.02
  6. Step 6: Final answer
    x = 80,571.51

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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.