Home / 109,505.04-151,116.93-61,758.29

Finding the Fourth Proportional to 109,505.04, 151,116.93 and 61,758.29

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Solution

The fourth proportional to 109,505.04, 151,116.93 and 61,758.29 is: 85,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,505.04 : 151,116.93 = 61,758.29 : x
  2. Step 2: Convert to fraction form
    109,505.04/151,116.93 = 61,758.29/x
  3. Step 3: Cross multiply
    109,505.04x = 151,116.93 × 61,758.29
  4. Step 4: Simplify right side
    109,505.04x = 9,332,722,431.27
  5. Step 5: Solve for x
    x = 9,332,722,431.27/109,505.04
  6. Step 6: Final answer
    x = 85,226.42

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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.