Home / 77,020.44-106,288.94-45,189.88

Finding the Fourth Proportional to 77,020.44, 106,288.94 and 45,189.88

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Solution

The fourth proportional to 77,020.44, 106,288.94 and 45,189.88 is: 62,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.44 : 106,288.94 = 45,189.88 : x
  2. Step 2: Convert to fraction form
    77,020.44/106,288.94 = 45,189.88/x
  3. Step 3: Cross multiply
    77,020.44x = 106,288.94 × 45,189.88
  4. Step 4: Simplify right side
    77,020.44x = 4,803,184,443.93
  5. Step 5: Solve for x
    x = 4,803,184,443.93/77,020.44
  6. Step 6: Final answer
    x = 62,362.46

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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.