Home / 88,119.81-121,605.40-47,833.56

Finding the Fourth Proportional to 88,119.81, 121,605.40 and 47,833.56

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Solution

The fourth proportional to 88,119.81, 121,605.40 and 47,833.56 is: 66,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.81 : 121,605.40 = 47,833.56 : x
  2. Step 2: Convert to fraction form
    88,119.81/121,605.40 = 47,833.56/x
  3. Step 3: Cross multiply
    88,119.81x = 121,605.40 × 47,833.56
  4. Step 4: Simplify right side
    88,119.81x = 5,816,819,599.03
  5. Step 5: Solve for x
    x = 5,816,819,599.03/88,119.81
  6. Step 6: Final answer
    x = 66,010.35

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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.