Home / 117,151.93-161,669.43-63,437.10

Finding the Fourth Proportional to 117,151.93, 161,669.43 and 63,437.10

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Solution

The fourth proportional to 117,151.93, 161,669.43 and 63,437.10 is: 87,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,151.93 : 161,669.43 = 63,437.10 : x
  2. Step 2: Convert to fraction form
    117,151.93/161,669.43 = 63,437.10/x
  3. Step 3: Cross multiply
    117,151.93x = 161,669.43 × 63,437.10
  4. Step 4: Simplify right side
    117,151.93x = 10,255,839,797.85
  5. Step 5: Solve for x
    x = 10,255,839,797.85/117,151.93
  6. Step 6: Final answer
    x = 87,543.07

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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.