Home / 68,077.40-102,116.52-23,673.08

Finding the Fourth Proportional to 68,077.40, 102,116.52 and 23,673.08

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Solution

The fourth proportional to 68,077.40, 102,116.52 and 23,673.08 is: 35,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.40 : 102,116.52 = 23,673.08 : x
  2. Step 2: Convert to fraction form
    68,077.40/102,116.52 = 23,673.08/x
  3. Step 3: Cross multiply
    68,077.40x = 102,116.52 × 23,673.08
  4. Step 4: Simplify right side
    68,077.40x = 2,417,412,547.28
  5. Step 5: Solve for x
    x = 2,417,412,547.28/68,077.40
  6. Step 6: Final answer
    x = 35,509.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.