Home / 91,016.58-125,603.48-50,732.91

Finding the Fourth Proportional to 91,016.58, 125,603.48 and 50,732.91

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Solution

The fourth proportional to 91,016.58, 125,603.48 and 50,732.91 is: 70,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,016.58 : 125,603.48 = 50,732.91 : x
  2. Step 2: Convert to fraction form
    91,016.58/125,603.48 = 50,732.91/x
  3. Step 3: Cross multiply
    91,016.58x = 125,603.48 × 50,732.91
  4. Step 4: Simplify right side
    91,016.58x = 6,372,229,792.86
  5. Step 5: Solve for x
    x = 6,372,229,792.86/91,016.58
  6. Step 6: Final answer
    x = 70,011.75

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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.