Home / 82,587.28-113,970.32-44,861.60

Finding the Fourth Proportional to 82,587.28, 113,970.32 and 44,861.60

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Solution

The fourth proportional to 82,587.28, 113,970.32 and 44,861.60 is: 61,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587.28 : 113,970.32 = 44,861.60 : x
  2. Step 2: Convert to fraction form
    82,587.28/113,970.32 = 44,861.60/x
  3. Step 3: Cross multiply
    82,587.28x = 113,970.32 × 44,861.60
  4. Step 4: Simplify right side
    82,587.28x = 5,112,890,907.71
  5. Step 5: Solve for x
    x = 5,112,890,907.71/82,587.28
  6. Step 6: Final answer
    x = 61,908.94

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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.