Home / 97,900.18-135,108.93-55,459.06

Finding the Fourth Proportional to 97,900.18, 135,108.93 and 55,459.06

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Solution

The fourth proportional to 97,900.18, 135,108.93 and 55,459.06 is: 76,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,900.18 : 135,108.93 = 55,459.06 : x
  2. Step 2: Convert to fraction form
    97,900.18/135,108.93 = 55,459.06/x
  3. Step 3: Cross multiply
    97,900.18x = 135,108.93 × 55,459.06
  4. Step 4: Simplify right side
    97,900.18x = 7,493,014,255.41
  5. Step 5: Solve for x
    x = 7,493,014,255.41/97,900.18
  6. Step 6: Final answer
    x = 76,537.29

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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.