Home / 77,522.24-106,981.36-45,279.38

Finding the Fourth Proportional to 77,522.24, 106,981.36 and 45,279.38

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Solution

The fourth proportional to 77,522.24, 106,981.36 and 45,279.38 is: 62,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,522.24 : 106,981.36 = 45,279.38 : x
  2. Step 2: Convert to fraction form
    77,522.24/106,981.36 = 45,279.38/x
  3. Step 3: Cross multiply
    77,522.24x = 106,981.36 × 45,279.38
  4. Step 4: Simplify right side
    77,522.24x = 4,844,049,652.36
  5. Step 5: Solve for x
    x = 4,844,049,652.36/77,522.24
  6. Step 6: Final answer
    x = 62,485.94

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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.