Home / 85,340.03-117,720.27-49,525.47

Finding the Fourth Proportional to 85,340.03, 117,720.27 and 49,525.47

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Solution

The fourth proportional to 85,340.03, 117,720.27 and 49,525.47 is: 68,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.03 : 117,720.27 = 49,525.47 : x
  2. Step 2: Convert to fraction form
    85,340.03/117,720.27 = 49,525.47/x
  3. Step 3: Cross multiply
    85,340.03x = 117,720.27 × 49,525.47
  4. Step 4: Simplify right side
    85,340.03x = 5,830,151,700.28
  5. Step 5: Solve for x
    x = 5,830,151,700.28/85,340.03
  6. Step 6: Final answer
    x = 68,316.73

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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.