Home / 110,203.31-152,069.95-61,807.23

Finding the Fourth Proportional to 110,203.31, 152,069.95 and 61,807.23

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Solution

The fourth proportional to 110,203.31, 152,069.95 and 61,807.23 is: 85,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,203.31 : 152,069.95 = 61,807.23 : x
  2. Step 2: Convert to fraction form
    110,203.31/152,069.95 = 61,807.23/x
  3. Step 3: Cross multiply
    110,203.31x = 152,069.95 × 61,807.23
  4. Step 4: Simplify right side
    110,203.31x = 9,399,022,375.74
  5. Step 5: Solve for x
    x = 9,399,022,375.74/110,203.31
  6. Step 6: Final answer
    x = 85,288.02

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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.