Home / 102,237.06-141,077.25-75,394.02

Finding the Fourth Proportional to 102,237.06, 141,077.25 and 75,394.02

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Solution

The fourth proportional to 102,237.06, 141,077.25 and 75,394.02 is: 104,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,237.06 : 141,077.25 = 75,394.02 : x
  2. Step 2: Convert to fraction form
    102,237.06/141,077.25 = 75,394.02/x
  3. Step 3: Cross multiply
    102,237.06x = 141,077.25 × 75,394.02
  4. Step 4: Simplify right side
    102,237.06x = 10,636,381,008.05
  5. Step 5: Solve for x
    x = 10,636,381,008.05/102,237.06
  6. Step 6: Final answer
    x = 104,036.45

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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.