Home / 84,960.76-117,216.64-52,683.75

Finding the Fourth Proportional to 84,960.76, 117,216.64 and 52,683.75

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Solution

The fourth proportional to 84,960.76, 117,216.64 and 52,683.75 is: 72,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.76 : 117,216.64 = 52,683.75 : x
  2. Step 2: Convert to fraction form
    84,960.76/117,216.64 = 52,683.75/x
  3. Step 3: Cross multiply
    84,960.76x = 117,216.64 × 52,683.75
  4. Step 4: Simplify right side
    84,960.76x = 6,175,412,157.60
  5. Step 5: Solve for x
    x = 6,175,412,157.60/84,960.76
  6. Step 6: Final answer
    x = 72,685.46

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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.