Home / 102,863.32-141,944.68-57,533.44

Finding the Fourth Proportional to 102,863.32, 141,944.68 and 57,533.44

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Solution

The fourth proportional to 102,863.32, 141,944.68 and 57,533.44 is: 79,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,863.32 : 141,944.68 = 57,533.44 : x
  2. Step 2: Convert to fraction form
    102,863.32/141,944.68 = 57,533.44/x
  3. Step 3: Cross multiply
    102,863.32x = 141,944.68 × 57,533.44
  4. Step 4: Simplify right side
    102,863.32x = 8,166,565,730.10
  5. Step 5: Solve for x
    x = 8,166,565,730.10/102,863.32
  6. Step 6: Final answer
    x = 79,392.40

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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.