Home / 94,693.85-142,045.67-89,905.36

Finding the Fourth Proportional to 94,693.85, 142,045.67 and 89,905.36

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Solution

The fourth proportional to 94,693.85, 142,045.67 and 89,905.36 is: 134,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,693.85 : 142,045.67 = 89,905.36 : x
  2. Step 2: Convert to fraction form
    94,693.85/142,045.67 = 89,905.36/x
  3. Step 3: Cross multiply
    94,693.85x = 142,045.67 × 89,905.36
  4. Step 4: Simplify right side
    94,693.85x = 12,770,667,097.79
  5. Step 5: Solve for x
    x = 12,770,667,097.79/94,693.85
  6. Step 6: Final answer
    x = 134,862.69

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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.