Home / 97,480.08-145,887.44-81,702.94

Finding the Fourth Proportional to 97,480.08, 145,887.44 and 81,702.94

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Solution

The fourth proportional to 97,480.08, 145,887.44 and 81,702.94 is: 122,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,480.08 : 145,887.44 = 81,702.94 : x
  2. Step 2: Convert to fraction form
    97,480.08/145,887.44 = 81,702.94/x
  3. Step 3: Cross multiply
    97,480.08x = 145,887.44 × 81,702.94
  4. Step 4: Simplify right side
    97,480.08x = 11,919,432,757.07
  5. Step 5: Solve for x
    x = 11,919,432,757.07/97,480.08
  6. Step 6: Final answer
    x = 122,275.57

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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.