Home / 100,977.80-151,454.55-41,807.30

Finding the Fourth Proportional to 100,977.80, 151,454.55 and 41,807.30

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Solution

The fourth proportional to 100,977.80, 151,454.55 and 41,807.30 is: 62,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.80 : 151,454.55 = 41,807.30 : x
  2. Step 2: Convert to fraction form
    100,977.80/151,454.55 = 41,807.30/x
  3. Step 3: Cross multiply
    100,977.80x = 151,454.55 × 41,807.30
  4. Step 4: Simplify right side
    100,977.80x = 6,331,905,808.22
  5. Step 5: Solve for x
    x = 6,331,905,808.22/100,977.80
  6. Step 6: Final answer
    x = 62,705.92

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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.