Home / 97,063.79-133,947.76-54,622.33

Finding the Fourth Proportional to 97,063.79, 133,947.76 and 54,622.33

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Solution

The fourth proportional to 97,063.79, 133,947.76 and 54,622.33 is: 75,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,063.79 : 133,947.76 = 54,622.33 : x
  2. Step 2: Convert to fraction form
    97,063.79/133,947.76 = 54,622.33/x
  3. Step 3: Cross multiply
    97,063.79x = 133,947.76 × 54,622.33
  4. Step 4: Simplify right side
    97,063.79x = 7,316,538,079.74
  5. Step 5: Solve for x
    x = 7,316,538,079.74/97,063.79
  6. Step 6: Final answer
    x = 75,378.66

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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.