Home / 77,847.04-107,316.48-55,452.16

Finding the Fourth Proportional to 77,847.04, 107,316.48 and 55,452.16

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Solution

The fourth proportional to 77,847.04, 107,316.48 and 55,452.16 is: 76,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.04 : 107,316.48 = 55,452.16 : x
  2. Step 2: Convert to fraction form
    77,847.04/107,316.48 = 55,452.16/x
  3. Step 3: Cross multiply
    77,847.04x = 107,316.48 × 55,452.16
  4. Step 4: Simplify right side
    77,847.04x = 5,950,930,619.60
  5. Step 5: Solve for x
    x = 5,950,930,619.60/77,847.04
  6. Step 6: Final answer
    x = 76,443.89

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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.