Home / 124,292.09-186,460.05-45,516.35

Finding the Fourth Proportional to 124,292.09, 186,460.05 and 45,516.35

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Solution

The fourth proportional to 124,292.09, 186,460.05 and 45,516.35 is: 68,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.09 : 186,460.05 = 45,516.35 : x
  2. Step 2: Convert to fraction form
    124,292.09/186,460.05 = 45,516.35/x
  3. Step 3: Cross multiply
    124,292.09x = 186,460.05 × 45,516.35
  4. Step 4: Simplify right side
    124,292.09x = 8,486,980,896.82
  5. Step 5: Solve for x
    x = 8,486,980,896.82/124,292.09
  6. Step 6: Final answer
    x = 68,282.55

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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.