Home / 82,359.45-113,736.69-70,352.82

Finding the Fourth Proportional to 82,359.45, 113,736.69 and 70,352.82

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Solution

The fourth proportional to 82,359.45, 113,736.69 and 70,352.82 is: 97,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,359.45 : 113,736.69 = 70,352.82 : x
  2. Step 2: Convert to fraction form
    82,359.45/113,736.69 = 70,352.82/x
  3. Step 3: Cross multiply
    82,359.45x = 113,736.69 × 70,352.82
  4. Step 4: Simplify right side
    82,359.45x = 8,001,696,878.97
  5. Step 5: Solve for x
    x = 8,001,696,878.97/82,359.45
  6. Step 6: Final answer
    x = 97,155.78

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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.