Home / 77,325.50-106,709.39-45,079.27

Finding the Fourth Proportional to 77,325.50, 106,709.39 and 45,079.27

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Solution

The fourth proportional to 77,325.50, 106,709.39 and 45,079.27 is: 62,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.50 : 106,709.39 = 45,079.27 : x
  2. Step 2: Convert to fraction form
    77,325.50/106,709.39 = 45,079.27/x
  3. Step 3: Cross multiply
    77,325.50x = 106,709.39 × 45,079.27
  4. Step 4: Simplify right side
    77,325.50x = 4,810,381,403.35
  5. Step 5: Solve for x
    x = 4,810,381,403.35/77,325.50
  6. Step 6: Final answer
    x = 62,209.51

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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.