Home / 73,590.08-110,386.13-20,999.55

Finding the Fourth Proportional to 73,590.08, 110,386.13 and 20,999.55

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Solution

The fourth proportional to 73,590.08, 110,386.13 and 20,999.55 is: 31,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,590.08 : 110,386.13 = 20,999.55 : x
  2. Step 2: Convert to fraction form
    73,590.08/110,386.13 = 20,999.55/x
  3. Step 3: Cross multiply
    73,590.08x = 110,386.13 × 20,999.55
  4. Step 4: Simplify right side
    73,590.08x = 2,318,058,951.24
  5. Step 5: Solve for x
    x = 2,318,058,951.24/73,590.08
  6. Step 6: Final answer
    x = 31,499.61

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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.