Home / 110,968.08-153,164.52-68,502.30

Finding the Fourth Proportional to 110,968.08, 153,164.52 and 68,502.30

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Solution

The fourth proportional to 110,968.08, 153,164.52 and 68,502.30 is: 94,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,968.08 : 153,164.52 = 68,502.30 : x
  2. Step 2: Convert to fraction form
    110,968.08/153,164.52 = 68,502.30/x
  3. Step 3: Cross multiply
    110,968.08x = 153,164.52 × 68,502.30
  4. Step 4: Simplify right side
    110,968.08x = 10,492,121,898.40
  5. Step 5: Solve for x
    x = 10,492,121,898.40/110,968.08
  6. Step 6: Final answer
    x = 94,550.81

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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.