Home / 97,860.48-135,046.72-53,148.80

Finding the Fourth Proportional to 97,860.48, 135,046.72 and 53,148.80

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Solution

The fourth proportional to 97,860.48, 135,046.72 and 53,148.80 is: 73,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,860.48 : 135,046.72 = 53,148.80 : x
  2. Step 2: Convert to fraction form
    97,860.48/135,046.72 = 53,148.80/x
  3. Step 3: Cross multiply
    97,860.48x = 135,046.72 × 53,148.80
  4. Step 4: Simplify right side
    97,860.48x = 7,177,571,111.94
  5. Step 5: Solve for x
    x = 7,177,571,111.94/97,860.48
  6. Step 6: Final answer
    x = 73,344.94

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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.