Home / 97,911.59-135,117.52-55,470.02

Finding the Fourth Proportional to 97,911.59, 135,117.52 and 55,470.02

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Solution

The fourth proportional to 97,911.59, 135,117.52 and 55,470.02 is: 76,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,911.59 : 135,117.52 = 55,470.02 : x
  2. Step 2: Convert to fraction form
    97,911.59/135,117.52 = 55,470.02/x
  3. Step 3: Cross multiply
    97,911.59x = 135,117.52 × 55,470.02
  4. Step 4: Simplify right side
    97,911.59x = 7,494,970,722.49
  5. Step 5: Solve for x
    x = 7,494,970,722.49/97,911.59
  6. Step 6: Final answer
    x = 76,548.35

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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.