Home / 85,340.02-117,768.85-47,614.26

Finding the Fourth Proportional to 85,340.02, 117,768.85 and 47,614.26

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Solution

The fourth proportional to 85,340.02, 117,768.85 and 47,614.26 is: 65,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.02 : 117,768.85 = 47,614.26 : x
  2. Step 2: Convert to fraction form
    85,340.02/117,768.85 = 47,614.26/x
  3. Step 3: Cross multiply
    85,340.02x = 117,768.85 × 47,614.26
  4. Step 4: Simplify right side
    85,340.02x = 5,607,476,643.80
  5. Step 5: Solve for x
    x = 5,607,476,643.80/85,340.02
  6. Step 6: Final answer
    x = 65,707.47

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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.