Home / 124,701.22-187,126.35-45,823.42

Finding the Fourth Proportional to 124,701.22, 187,126.35 and 45,823.42

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Solution

The fourth proportional to 124,701.22, 187,126.35 and 45,823.42 is: 68,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.22 : 187,126.35 = 45,823.42 : x
  2. Step 2: Convert to fraction form
    124,701.22/187,126.35 = 45,823.42/x
  3. Step 3: Cross multiply
    124,701.22x = 187,126.35 × 45,823.42
  4. Step 4: Simplify right side
    124,701.22x = 8,574,769,329.12
  5. Step 5: Solve for x
    x = 8,574,769,329.12/124,701.22
  6. Step 6: Final answer
    x = 68,762.51

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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.