Home / 109,861.48-151,610.01-64,541.35

Finding the Fourth Proportional to 109,861.48, 151,610.01 and 64,541.35

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Solution

The fourth proportional to 109,861.48, 151,610.01 and 64,541.35 is: 89,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.48 : 151,610.01 = 64,541.35 : x
  2. Step 2: Convert to fraction form
    109,861.48/151,610.01 = 64,541.35/x
  3. Step 3: Cross multiply
    109,861.48x = 151,610.01 × 64,541.35
  4. Step 4: Simplify right side
    109,861.48x = 9,785,114,718.91
  5. Step 5: Solve for x
    x = 9,785,114,718.91/109,861.48
  6. Step 6: Final answer
    x = 89,067.75

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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.