Home / 106,946.68-147,589.89-61,621.06

Finding the Fourth Proportional to 106,946.68, 147,589.89 and 61,621.06

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Solution

The fourth proportional to 106,946.68, 147,589.89 and 61,621.06 is: 85,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,946.68 : 147,589.89 = 61,621.06 : x
  2. Step 2: Convert to fraction form
    106,946.68/147,589.89 = 61,621.06/x
  3. Step 3: Cross multiply
    106,946.68x = 147,589.89 × 61,621.06
  4. Step 4: Simplify right side
    106,946.68x = 9,094,645,467.08
  5. Step 5: Solve for x
    x = 9,094,645,467.08/106,946.68
  6. Step 6: Final answer
    x = 85,039.06

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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.