Home / 91,610.94-126,430.50-51,333.69

Finding the Fourth Proportional to 91,610.94, 126,430.50 and 51,333.69

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Solution

The fourth proportional to 91,610.94, 126,430.50 and 51,333.69 is: 70,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,610.94 : 126,430.50 = 51,333.69 : x
  2. Step 2: Convert to fraction form
    91,610.94/126,430.50 = 51,333.69/x
  3. Step 3: Cross multiply
    91,610.94x = 126,430.50 × 51,333.69
  4. Step 4: Simplify right side
    91,610.94x = 6,490,144,093.55
  5. Step 5: Solve for x
    x = 6,490,144,093.55/91,610.94
  6. Step 6: Final answer
    x = 70,844.64

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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.