Home / 98,522.72-135,961.51-56,081.26

Finding the Fourth Proportional to 98,522.72, 135,961.51 and 56,081.26

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Solution

The fourth proportional to 98,522.72, 135,961.51 and 56,081.26 is: 77,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,522.72 : 135,961.51 = 56,081.26 : x
  2. Step 2: Convert to fraction form
    98,522.72/135,961.51 = 56,081.26/x
  3. Step 3: Cross multiply
    98,522.72x = 135,961.51 × 56,081.26
  4. Step 4: Simplify right side
    98,522.72x = 7,624,892,312.20
  5. Step 5: Solve for x
    x = 7,624,892,312.20/98,522.72
  6. Step 6: Final answer
    x = 77,392.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.