Home / 109,541.71-151,174.56-61,777.63

Finding the Fourth Proportional to 109,541.71, 151,174.56 and 61,777.63

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Solution

The fourth proportional to 109,541.71, 151,174.56 and 61,777.63 is: 85,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,541.71 : 151,174.56 = 61,777.63 : x
  2. Step 2: Convert to fraction form
    109,541.71/151,174.56 = 61,777.63/x
  3. Step 3: Cross multiply
    109,541.71x = 151,174.56 × 61,777.63
  4. Step 4: Simplify right side
    109,541.71x = 9,339,206,033.09
  5. Step 5: Solve for x
    x = 9,339,206,033.09/109,541.71
  6. Step 6: Final answer
    x = 85,257.08

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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.