Home / 97,121.34-145,683.90-26,999.64

Finding the Fourth Proportional to 97,121.34, 145,683.90 and 26,999.64

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Solution

The fourth proportional to 97,121.34, 145,683.90 and 26,999.64 is: 40,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,121.34 : 145,683.90 = 26,999.64 : x
  2. Step 2: Convert to fraction form
    97,121.34/145,683.90 = 26,999.64/x
  3. Step 3: Cross multiply
    97,121.34x = 145,683.90 × 26,999.64
  4. Step 4: Simplify right side
    97,121.34x = 3,933,412,853.80
  5. Step 5: Solve for x
    x = 3,933,412,853.80/97,121.34
  6. Step 6: Final answer
    x = 40,499.99

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1.5x scale

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.