Home / 85,298.34-117,759.84-59,151.54

Finding the Fourth Proportional to 85,298.34, 117,759.84 and 59,151.54

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Solution

The fourth proportional to 85,298.34, 117,759.84 and 59,151.54 is: 81,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.34 : 117,759.84 = 59,151.54 : x
  2. Step 2: Convert to fraction form
    85,298.34/117,759.84 = 59,151.54/x
  3. Step 3: Cross multiply
    85,298.34x = 117,759.84 × 59,151.54
  4. Step 4: Simplify right side
    85,298.34x = 6,965,675,886.15
  5. Step 5: Solve for x
    x = 6,965,675,886.15/85,298.34
  6. Step 6: Final answer
    x = 81,662.50

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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.