Home / 55,910.26-77,077.02-39,967.03

Finding the Fourth Proportional to 55,910.26, 77,077.02 and 39,967.03

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Solution

The fourth proportional to 55,910.26, 77,077.02 and 39,967.03 is: 55,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.26 : 77,077.02 = 39,967.03 : x
  2. Step 2: Convert to fraction form
    55,910.26/77,077.02 = 39,967.03/x
  3. Step 3: Cross multiply
    55,910.26x = 77,077.02 × 39,967.03
  4. Step 4: Simplify right side
    55,910.26x = 3,080,539,570.65
  5. Step 5: Solve for x
    x = 3,080,539,570.65/55,910.26
  6. Step 6: Final answer
    x = 55,097.93

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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.