Home / 90,833.50-125,350.23-51,089.50

Finding the Fourth Proportional to 90,833.50, 125,350.23 and 51,089.50

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Solution

The fourth proportional to 90,833.50, 125,350.23 and 51,089.50 is: 70,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.50 : 125,350.23 = 51,089.50 : x
  2. Step 2: Convert to fraction form
    90,833.50/125,350.23 = 51,089.50/x
  3. Step 3: Cross multiply
    90,833.50x = 125,350.23 × 51,089.50
  4. Step 4: Simplify right side
    90,833.50x = 6,404,080,575.59
  5. Step 5: Solve for x
    x = 6,404,080,575.59/90,833.50
  6. Step 6: Final answer
    x = 70,503.51

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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.