Home / 96,690.72-145,040.40-26,570.64

Finding the Fourth Proportional to 96,690.72, 145,040.40 and 26,570.64

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Solution

The fourth proportional to 96,690.72, 145,040.40 and 26,570.64 is: 39,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.72 : 145,040.40 = 26,570.64 : x
  2. Step 2: Convert to fraction form
    96,690.72/145,040.40 = 26,570.64/x
  3. Step 3: Cross multiply
    96,690.72x = 145,040.40 × 26,570.64
  4. Step 4: Simplify right side
    96,690.72x = 3,853,816,253.86
  5. Step 5: Solve for x
    x = 3,853,816,253.86/96,690.72
  6. Step 6: Final answer
    x = 39,857.15

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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.