Home / 85,395.92-117,838.08-58,561.44

Finding the Fourth Proportional to 85,395.92, 117,838.08 and 58,561.44

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Solution

The fourth proportional to 85,395.92, 117,838.08 and 58,561.44 is: 80,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,395.92 : 117,838.08 = 58,561.44 : x
  2. Step 2: Convert to fraction form
    85,395.92/117,838.08 = 58,561.44/x
  3. Step 3: Cross multiply
    85,395.92x = 117,838.08 × 58,561.44
  4. Step 4: Simplify right side
    85,395.92x = 6,900,767,651.64
  5. Step 5: Solve for x
    x = 6,900,767,651.64/85,395.92
  6. Step 6: Final answer
    x = 80,809.10

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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.