Home / 82,458.08-113,809.20-46,649.60

Finding the Fourth Proportional to 82,458.08, 113,809.20 and 46,649.60

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Solution

The fourth proportional to 82,458.08, 113,809.20 and 46,649.60 is: 64,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,458.08 : 113,809.20 = 46,649.60 : x
  2. Step 2: Convert to fraction form
    82,458.08/113,809.20 = 46,649.60/x
  3. Step 3: Cross multiply
    82,458.08x = 113,809.20 × 46,649.60
  4. Step 4: Simplify right side
    82,458.08x = 5,309,153,656.32
  5. Step 5: Solve for x
    x = 5,309,153,656.32/82,458.08
  6. Step 6: Final answer
    x = 64,386.09

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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.