Home / 124,574.37-186,750.45-45,670.20

Finding the Fourth Proportional to 124,574.37, 186,750.45 and 45,670.20

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Solution

The fourth proportional to 124,574.37, 186,750.45 and 45,670.20 is: 68,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574.37 : 186,750.45 = 45,670.20 : x
  2. Step 2: Convert to fraction form
    124,574.37/186,750.45 = 45,670.20/x
  3. Step 3: Cross multiply
    124,574.37x = 186,750.45 × 45,670.20
  4. Step 4: Simplify right side
    124,574.37x = 8,528,930,401.59
  5. Step 5: Solve for x
    x = 8,528,930,401.59/124,574.37
  6. Step 6: Final answer
    x = 68,464.57

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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.