Home / 91,625.07-126,430.85-51,328.92

Finding the Fourth Proportional to 91,625.07, 126,430.85 and 51,328.92

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Solution

The fourth proportional to 91,625.07, 126,430.85 and 51,328.92 is: 70,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,625.07 : 126,430.85 = 51,328.92 : x
  2. Step 2: Convert to fraction form
    91,625.07/126,430.85 = 51,328.92/x
  3. Step 3: Cross multiply
    91,625.07x = 126,430.85 × 51,328.92
  4. Step 4: Simplify right side
    91,625.07x = 6,489,558,728.54
  5. Step 5: Solve for x
    x = 6,489,558,728.54/91,625.07
  6. Step 6: Final answer
    x = 70,827.33

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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.