Home / 75,246.20-112,870.26-51,866.36

Finding the Fourth Proportional to 75,246.20, 112,870.26 and 51,866.36

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Solution

The fourth proportional to 75,246.20, 112,870.26 and 51,866.36 is: 77,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,246.20 : 112,870.26 = 51,866.36 : x
  2. Step 2: Convert to fraction form
    75,246.20/112,870.26 = 51,866.36/x
  3. Step 3: Cross multiply
    75,246.20x = 112,870.26 × 51,866.36
  4. Step 4: Simplify right side
    75,246.20x = 5,854,169,538.45
  5. Step 5: Solve for x
    x = 5,854,169,538.45/75,246.20
  6. Step 6: Final answer
    x = 77,800.20

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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.