Home / 90,291.23-124,622.63-60,077.82

Finding the Fourth Proportional to 90,291.23, 124,622.63 and 60,077.82

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Solution

The fourth proportional to 90,291.23, 124,622.63 and 60,077.82 is: 82,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291.23 : 124,622.63 = 60,077.82 : x
  2. Step 2: Convert to fraction form
    90,291.23/124,622.63 = 60,077.82/x
  3. Step 3: Cross multiply
    90,291.23x = 124,622.63 × 60,077.82
  4. Step 4: Simplify right side
    90,291.23x = 7,487,055,632.68
  5. Step 5: Solve for x
    x = 7,487,055,632.68/90,291.23
  6. Step 6: Final answer
    x = 82,921.19

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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.