Home / 109,726.44-151,423.83-64,405.32

Finding the Fourth Proportional to 109,726.44, 151,423.83 and 64,405.32

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Solution

The fourth proportional to 109,726.44, 151,423.83 and 64,405.32 is: 88,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,726.44 : 151,423.83 = 64,405.32 : x
  2. Step 2: Convert to fraction form
    109,726.44/151,423.83 = 64,405.32/x
  3. Step 3: Cross multiply
    109,726.44x = 151,423.83 × 64,405.32
  4. Step 4: Simplify right side
    109,726.44x = 9,752,500,226.78
  5. Step 5: Solve for x
    x = 9,752,500,226.78/109,726.44
  6. Step 6: Final answer
    x = 88,880.13

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1.5x scale

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.