Home / 100,735.08-139,005.84-58,296.24

Finding the Fourth Proportional to 100,735.08, 139,005.84 and 58,296.24

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Solution

The fourth proportional to 100,735.08, 139,005.84 and 58,296.24 is: 80,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,735.08 : 139,005.84 = 58,296.24 : x
  2. Step 2: Convert to fraction form
    100,735.08/139,005.84 = 58,296.24/x
  3. Step 3: Cross multiply
    100,735.08x = 139,005.84 × 58,296.24
  4. Step 4: Simplify right side
    100,735.08x = 8,103,517,810.04
  5. Step 5: Solve for x
    x = 8,103,517,810.04/100,735.08
  6. Step 6: Final answer
    x = 80,443.85

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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.