Home / 85,822.28-118,441.76-47,593.80

Finding the Fourth Proportional to 85,822.28, 118,441.76 and 47,593.80

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Solution

The fourth proportional to 85,822.28, 118,441.76 and 47,593.80 is: 65,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,822.28 : 118,441.76 = 47,593.80 : x
  2. Step 2: Convert to fraction form
    85,822.28/118,441.76 = 47,593.80/x
  3. Step 3: Cross multiply
    85,822.28x = 118,441.76 × 47,593.80
  4. Step 4: Simplify right side
    85,822.28x = 5,637,093,437.09
  5. Step 5: Solve for x
    x = 5,637,093,437.09/85,822.28
  6. Step 6: Final answer
    x = 65,683.33

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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.