Home / 124,255.24-186,311.80-57,661.12

Finding the Fourth Proportional to 124,255.24, 186,311.80 and 57,661.12

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Solution

The fourth proportional to 124,255.24, 186,311.80 and 57,661.12 is: 86,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,255.24 : 186,311.80 = 57,661.12 : x
  2. Step 2: Convert to fraction form
    124,255.24/186,311.80 = 57,661.12/x
  3. Step 3: Cross multiply
    124,255.24x = 186,311.80 × 57,661.12
  4. Step 4: Simplify right side
    124,255.24x = 10,742,947,057.22
  5. Step 5: Solve for x
    x = 10,742,947,057.22/124,255.24
  6. Step 6: Final answer
    x = 86,458.70

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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.