Home / 97,480.21-146,278.65-89,548.69

Finding the Fourth Proportional to 97,480.21, 146,278.65 and 89,548.69

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Solution

The fourth proportional to 97,480.21, 146,278.65 and 89,548.69 is: 134,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,480.21 : 146,278.65 = 89,548.69 : x
  2. Step 2: Convert to fraction form
    97,480.21/146,278.65 = 89,548.69/x
  3. Step 3: Cross multiply
    97,480.21x = 146,278.65 × 89,548.69
  4. Step 4: Simplify right side
    97,480.21x = 13,099,061,482.47
  5. Step 5: Solve for x
    x = 13,099,061,482.47/97,480.21
  6. Step 6: Final answer
    x = 134,376.62

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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.