Home / 102,358.52-141,252.63-57,036.32

Finding the Fourth Proportional to 102,358.52, 141,252.63 and 57,036.32

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Solution

The fourth proportional to 102,358.52, 141,252.63 and 57,036.32 is: 78,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.52 : 141,252.63 = 57,036.32 : x
  2. Step 2: Convert to fraction form
    102,358.52/141,252.63 = 57,036.32/x
  3. Step 3: Cross multiply
    102,358.52x = 141,252.63 × 57,036.32
  4. Step 4: Simplify right side
    102,358.52x = 8,056,530,205.52
  5. Step 5: Solve for x
    x = 8,056,530,205.52/102,358.52
  6. Step 6: Final answer
    x = 78,708.94

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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.