Home / 88,345.08-132,381.54-54,976.32

Finding the Fourth Proportional to 88,345.08, 132,381.54 and 54,976.32

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Solution

The fourth proportional to 88,345.08, 132,381.54 and 54,976.32 is: 82,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,345.08 : 132,381.54 = 54,976.32 : x
  2. Step 2: Convert to fraction form
    88,345.08/132,381.54 = 54,976.32/x
  3. Step 3: Cross multiply
    88,345.08x = 132,381.54 × 54,976.32
  4. Step 4: Simplify right side
    88,345.08x = 7,277,849,905.13
  5. Step 5: Solve for x
    x = 7,277,849,905.13/88,345.08
  6. Step 6: Final answer
    x = 82,379.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.