Home / 77,276.22-106,626.74-45,433.50

Finding the Fourth Proportional to 77,276.22, 106,626.74 and 45,433.50

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Solution

The fourth proportional to 77,276.22, 106,626.74 and 45,433.50 is: 62,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.22 : 106,626.74 = 45,433.50 : x
  2. Step 2: Convert to fraction form
    77,276.22/106,626.74 = 45,433.50/x
  3. Step 3: Cross multiply
    77,276.22x = 106,626.74 × 45,433.50
  4. Step 4: Simplify right side
    77,276.22x = 4,844,425,991.79
  5. Step 5: Solve for x
    x = 4,844,425,991.79/77,276.22
  6. Step 6: Final answer
    x = 62,689.74

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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.