Home / 97,914.48-135,117.90-55,475.34

Finding the Fourth Proportional to 97,914.48, 135,117.90 and 55,475.34

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Solution

The fourth proportional to 97,914.48, 135,117.90 and 55,475.34 is: 76,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,914.48 : 135,117.90 = 55,475.34 : x
  2. Step 2: Convert to fraction form
    97,914.48/135,117.90 = 55,475.34/x
  3. Step 3: Cross multiply
    97,914.48x = 135,117.90 × 55,475.34
  4. Step 4: Simplify right side
    97,914.48x = 7,495,711,442.59
  5. Step 5: Solve for x
    x = 7,495,711,442.59/97,914.48
  6. Step 6: Final answer
    x = 76,553.66

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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.