Home / 101,090.03-139,459.10-58,623.93

Finding the Fourth Proportional to 101,090.03, 139,459.10 and 58,623.93

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Solution

The fourth proportional to 101,090.03, 139,459.10 and 58,623.93 is: 80,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,090.03 : 139,459.10 = 58,623.93 : x
  2. Step 2: Convert to fraction form
    101,090.03/139,459.10 = 58,623.93/x
  3. Step 3: Cross multiply
    101,090.03x = 139,459.10 × 58,623.93
  4. Step 4: Simplify right side
    101,090.03x = 8,175,640,223.14
  5. Step 5: Solve for x
    x = 8,175,640,223.14/101,090.03
  6. Step 6: Final answer
    x = 80,874.85

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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.