Home / 109,225.10-150,694.49-63,870.95

Finding the Fourth Proportional to 109,225.10, 150,694.49 and 63,870.95

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Solution

The fourth proportional to 109,225.10, 150,694.49 and 63,870.95 is: 88,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.10 : 150,694.49 = 63,870.95 : x
  2. Step 2: Convert to fraction form
    109,225.10/150,694.49 = 63,870.95/x
  3. Step 3: Cross multiply
    109,225.10x = 150,694.49 × 63,870.95
  4. Step 4: Simplify right side
    109,225.10x = 9,624,999,482.59
  5. Step 5: Solve for x
    x = 9,624,999,482.59/109,225.10
  6. Step 6: Final answer
    x = 88,120.77

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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.