Home / 64,731.45-89,357.02-43,523.02

Finding the Fourth Proportional to 64,731.45, 89,357.02 and 43,523.02

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Solution

The fourth proportional to 64,731.45, 89,357.02 and 43,523.02 is: 60,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.45 : 89,357.02 = 43,523.02 : x
  2. Step 2: Convert to fraction form
    64,731.45/89,357.02 = 43,523.02/x
  3. Step 3: Cross multiply
    64,731.45x = 89,357.02 × 43,523.02
  4. Step 4: Simplify right side
    64,731.45x = 3,889,087,616.31
  5. Step 5: Solve for x
    x = 3,889,087,616.31/64,731.45
  6. Step 6: Final answer
    x = 60,080.34

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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.