Home / 86,488.47-119,351.39-50,702.32

Finding the Fourth Proportional to 86,488.47, 119,351.39 and 50,702.32

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Solution

The fourth proportional to 86,488.47, 119,351.39 and 50,702.32 is: 69,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488.47 : 119,351.39 = 50,702.32 : x
  2. Step 2: Convert to fraction form
    86,488.47/119,351.39 = 50,702.32/x
  3. Step 3: Cross multiply
    86,488.47x = 119,351.39 × 50,702.32
  4. Step 4: Simplify right side
    86,488.47x = 6,051,391,816.33
  5. Step 5: Solve for x
    x = 6,051,391,816.33/86,488.47
  6. Step 6: Final answer
    x = 69,967.61

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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.