Home / 109,312.57-150,847.41-61,570.36

Finding the Fourth Proportional to 109,312.57, 150,847.41 and 61,570.36

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Solution

The fourth proportional to 109,312.57, 150,847.41 and 61,570.36 is: 84,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312.57 : 150,847.41 = 61,570.36 : x
  2. Step 2: Convert to fraction form
    109,312.57/150,847.41 = 61,570.36/x
  3. Step 3: Cross multiply
    109,312.57x = 150,847.41 × 61,570.36
  4. Step 4: Simplify right side
    109,312.57x = 9,287,729,338.77
  5. Step 5: Solve for x
    x = 9,287,729,338.77/109,312.57
  6. Step 6: Final answer
    x = 84,964.88

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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.