Home / 82,135.40-113,346.54-46,325.18

Finding the Fourth Proportional to 82,135.40, 113,346.54 and 46,325.18

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Solution

The fourth proportional to 82,135.40, 113,346.54 and 46,325.18 is: 63,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135.40 : 113,346.54 = 46,325.18 : x
  2. Step 2: Convert to fraction form
    82,135.40/113,346.54 = 46,325.18/x
  3. Step 3: Cross multiply
    82,135.40x = 113,346.54 × 46,325.18
  4. Step 4: Simplify right side
    82,135.40x = 5,250,799,151.24
  5. Step 5: Solve for x
    x = 5,250,799,151.24/82,135.40
  6. Step 6: Final answer
    x = 63,928.58

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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.