Home / 89,964.02-134,955.77-55,127.54

Finding the Fourth Proportional to 89,964.02, 134,955.77 and 55,127.54

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Solution

The fourth proportional to 89,964.02, 134,955.77 and 55,127.54 is: 82,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.02 : 134,955.77 = 55,127.54 : x
  2. Step 2: Convert to fraction form
    89,964.02/134,955.77 = 55,127.54/x
  3. Step 3: Cross multiply
    89,964.02x = 134,955.77 × 55,127.54
  4. Step 4: Simplify right side
    89,964.02x = 7,439,779,670.66
  5. Step 5: Solve for x
    x = 7,439,779,670.66/89,964.02
  6. Step 6: Final answer
    x = 82,697.28

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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.