Home / 91,209.96-125,890.74-53,496.36

Finding the Fourth Proportional to 91,209.96, 125,890.74 and 53,496.36

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Solution

The fourth proportional to 91,209.96, 125,890.74 and 53,496.36 is: 73,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,209.96 : 125,890.74 = 53,496.36 : x
  2. Step 2: Convert to fraction form
    91,209.96/125,890.74 = 53,496.36/x
  3. Step 3: Cross multiply
    91,209.96x = 125,890.74 × 53,496.36
  4. Step 4: Simplify right side
    91,209.96x = 6,734,696,347.71
  5. Step 5: Solve for x
    x = 6,734,696,347.71/91,209.96
  6. Step 6: Final answer
    x = 73,837.29

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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.