Home / 77,343.72-106,732.50-45,076.20

Finding the Fourth Proportional to 77,343.72, 106,732.50 and 45,076.20

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Solution

The fourth proportional to 77,343.72, 106,732.50 and 45,076.20 is: 62,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,343.72 : 106,732.50 = 45,076.20 : x
  2. Step 2: Convert to fraction form
    77,343.72/106,732.50 = 45,076.20/x
  3. Step 3: Cross multiply
    77,343.72x = 106,732.50 × 45,076.20
  4. Step 4: Simplify right side
    77,343.72x = 4,811,095,516.50
  5. Step 5: Solve for x
    x = 4,811,095,516.50/77,343.72
  6. Step 6: Final answer
    x = 62,204.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.