Home / 91,925.18-126,861.29-51,636.86

Finding the Fourth Proportional to 91,925.18, 126,861.29 and 51,636.86

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Solution

The fourth proportional to 91,925.18, 126,861.29 and 51,636.86 is: 71,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,925.18 : 126,861.29 = 51,636.86 : x
  2. Step 2: Convert to fraction form
    91,925.18/126,861.29 = 51,636.86/x
  3. Step 3: Cross multiply
    91,925.18x = 126,861.29 × 51,636.86
  4. Step 4: Simplify right side
    91,925.18x = 6,550,717,778.66
  5. Step 5: Solve for x
    x = 6,550,717,778.66/91,925.18
  6. Step 6: Final answer
    x = 71,261.41

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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.