Home / 99,973.34-137,959.02-59,163.92

Finding the Fourth Proportional to 99,973.34, 137,959.02 and 59,163.92

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Solution

The fourth proportional to 99,973.34, 137,959.02 and 59,163.92 is: 81,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973.34 : 137,959.02 = 59,163.92 : x
  2. Step 2: Convert to fraction form
    99,973.34/137,959.02 = 59,163.92/x
  3. Step 3: Cross multiply
    99,973.34x = 137,959.02 × 59,163.92
  4. Step 4: Simplify right side
    99,973.34x = 8,162,196,422.56
  5. Step 5: Solve for x
    x = 8,162,196,422.56/99,973.34
  6. Step 6: Final answer
    x = 81,643.73

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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.