Home / 88,621.02-132,619.28-55,356.75

Finding the Fourth Proportional to 88,621.02, 132,619.28 and 55,356.75

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Solution

The fourth proportional to 88,621.02, 132,619.28 and 55,356.75 is: 82,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,621.02 : 132,619.28 = 55,356.75 : x
  2. Step 2: Convert to fraction form
    88,621.02/132,619.28 = 55,356.75/x
  3. Step 3: Cross multiply
    88,621.02x = 132,619.28 × 55,356.75
  4. Step 4: Simplify right side
    88,621.02x = 7,341,372,051.36
  5. Step 5: Solve for x
    x = 7,341,372,051.36/88,621.02
  6. Step 6: Final answer
    x = 82,840.08

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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.