Home / 80,869.77-111,601.34-46,420.07

Finding the Fourth Proportional to 80,869.77, 111,601.34 and 46,420.07

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Solution

The fourth proportional to 80,869.77, 111,601.34 and 46,420.07 is: 64,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869.77 : 111,601.34 = 46,420.07 : x
  2. Step 2: Convert to fraction form
    80,869.77/111,601.34 = 46,420.07/x
  3. Step 3: Cross multiply
    80,869.77x = 111,601.34 × 46,420.07
  4. Step 4: Simplify right side
    80,869.77x = 5,180,541,224.79
  5. Step 5: Solve for x
    x = 5,180,541,224.79/80,869.77
  6. Step 6: Final answer
    x = 64,060.29

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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.