Home / 117,547.09-162,216.92-66,558.48

Finding the Fourth Proportional to 117,547.09, 162,216.92 and 66,558.48

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Solution

The fourth proportional to 117,547.09, 162,216.92 and 66,558.48 is: 91,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.09 : 162,216.92 = 66,558.48 : x
  2. Step 2: Convert to fraction form
    117,547.09/162,216.92 = 66,558.48/x
  3. Step 3: Cross multiply
    117,547.09x = 162,216.92 × 66,558.48
  4. Step 4: Simplify right side
    117,547.09x = 10,796,911,625.48
  5. Step 5: Solve for x
    x = 10,796,911,625.48/117,547.09
  6. Step 6: Final answer
    x = 91,851.80

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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.