Home / 91,018.62-125,603.93-50,731.52

Finding the Fourth Proportional to 91,018.62, 125,603.93 and 50,731.52

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Solution

The fourth proportional to 91,018.62, 125,603.93 and 50,731.52 is: 70,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018.62 : 125,603.93 = 50,731.52 : x
  2. Step 2: Convert to fraction form
    91,018.62/125,603.93 = 50,731.52/x
  3. Step 3: Cross multiply
    91,018.62x = 125,603.93 × 50,731.52
  4. Step 4: Simplify right side
    91,018.62x = 6,372,077,785.68
  5. Step 5: Solve for x
    x = 6,372,077,785.68/91,018.62
  6. Step 6: Final answer
    x = 70,008.51

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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.