Home / 84,928.95-117,208.49-50,938.74

Finding the Fourth Proportional to 84,928.95, 117,208.49 and 50,938.74

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Solution

The fourth proportional to 84,928.95, 117,208.49 and 50,938.74 is: 70,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.95 : 117,208.49 = 50,938.74 : x
  2. Step 2: Convert to fraction form
    84,928.95/117,208.49 = 50,938.74/x
  3. Step 3: Cross multiply
    84,928.95x = 117,208.49 × 50,938.74
  4. Step 4: Simplify right side
    84,928.95x = 5,970,452,543.21
  5. Step 5: Solve for x
    x = 5,970,452,543.21/84,928.95
  6. Step 6: Final answer
    x = 70,299.38

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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.