Home / 124,259.76-186,389.58-30,765.48

Finding the Fourth Proportional to 124,259.76, 186,389.58 and 30,765.48

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Solution

The fourth proportional to 124,259.76, 186,389.58 and 30,765.48 is: 46,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,259.76 : 186,389.58 = 30,765.48 : x
  2. Step 2: Convert to fraction form
    124,259.76/186,389.58 = 30,765.48/x
  3. Step 3: Cross multiply
    124,259.76x = 186,389.58 × 30,765.48
  4. Step 4: Simplify right side
    124,259.76x = 5,734,364,895.70
  5. Step 5: Solve for x
    x = 5,734,364,895.70/124,259.76
  6. Step 6: Final answer
    x = 46,148.21

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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.