Home / 65,556.30-98,334.45-57,780.30

Finding the Fourth Proportional to 65,556.30, 98,334.45 and 57,780.30

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Solution

The fourth proportional to 65,556.30, 98,334.45 and 57,780.30 is: 86,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,556.30 : 98,334.45 = 57,780.30 : x
  2. Step 2: Convert to fraction form
    65,556.30/98,334.45 = 57,780.30/x
  3. Step 3: Cross multiply
    65,556.30x = 98,334.45 × 57,780.30
  4. Step 4: Simplify right side
    65,556.30x = 5,681,794,021.34
  5. Step 5: Solve for x
    x = 5,681,794,021.34/65,556.30
  6. Step 6: Final answer
    x = 86,670.45

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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.