Home / 51,154.02-76,678.74-34,515.72

Finding the Fourth Proportional to 51,154.02, 76,678.74 and 34,515.72

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Solution

The fourth proportional to 51,154.02, 76,678.74 and 34,515.72 is: 51,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.02 : 76,678.74 = 34,515.72 : x
  2. Step 2: Convert to fraction form
    51,154.02/76,678.74 = 34,515.72/x
  3. Step 3: Cross multiply
    51,154.02x = 76,678.74 × 34,515.72
  4. Step 4: Simplify right side
    51,154.02x = 2,646,621,919.79
  5. Step 5: Solve for x
    x = 2,646,621,919.79/51,154.02
  6. Step 6: Final answer
    x = 51,738.30

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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.