Home / 80,513.07-111,105.92-44,702.16

Finding the Fourth Proportional to 80,513.07, 111,105.92 and 44,702.16

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Solution

The fourth proportional to 80,513.07, 111,105.92 and 44,702.16 is: 61,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513.07 : 111,105.92 = 44,702.16 : x
  2. Step 2: Convert to fraction form
    80,513.07/111,105.92 = 44,702.16/x
  3. Step 3: Cross multiply
    80,513.07x = 111,105.92 × 44,702.16
  4. Step 4: Simplify right side
    80,513.07x = 4,966,674,389.28
  5. Step 5: Solve for x
    x = 4,966,674,389.28/80,513.07
  6. Step 6: Final answer
    x = 61,687.80

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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.