Home / 77,183.60-106,534.32-45,362.72

Finding the Fourth Proportional to 77,183.60, 106,534.32 and 45,362.72

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Solution

The fourth proportional to 77,183.60, 106,534.32 and 45,362.72 is: 62,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,183.60 : 106,534.32 = 45,362.72 : x
  2. Step 2: Convert to fraction form
    77,183.60/106,534.32 = 45,362.72/x
  3. Step 3: Cross multiply
    77,183.60x = 106,534.32 × 45,362.72
  4. Step 4: Simplify right side
    77,183.60x = 4,832,686,528.55
  5. Step 5: Solve for x
    x = 4,832,686,528.55/77,183.60
  6. Step 6: Final answer
    x = 62,612.87

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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.