Home / 77,229.02-106,563.69-43,238.93

Finding the Fourth Proportional to 77,229.02, 106,563.69 and 43,238.93

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Solution

The fourth proportional to 77,229.02, 106,563.69 and 43,238.93 is: 59,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,229.02 : 106,563.69 = 43,238.93 : x
  2. Step 2: Convert to fraction form
    77,229.02/106,563.69 = 43,238.93/x
  3. Step 3: Cross multiply
    77,229.02x = 106,563.69 × 43,238.93
  4. Step 4: Simplify right side
    77,229.02x = 4,607,699,399.63
  5. Step 5: Solve for x
    x = 4,607,699,399.63/77,229.02
  6. Step 6: Final answer
    x = 59,662.80

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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.