Home / 91,899.36-137,751.03-52,371.36

Finding the Fourth Proportional to 91,899.36, 137,751.03 and 52,371.36

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Solution

The fourth proportional to 91,899.36, 137,751.03 and 52,371.36 is: 78,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.36 : 137,751.03 = 52,371.36 : x
  2. Step 2: Convert to fraction form
    91,899.36/137,751.03 = 52,371.36/x
  3. Step 3: Cross multiply
    91,899.36x = 137,751.03 × 52,371.36
  4. Step 4: Simplify right side
    91,899.36x = 7,214,208,782.50
  5. Step 5: Solve for x
    x = 7,214,208,782.50/91,899.36
  6. Step 6: Final answer
    x = 78,501.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.