Home / 91,778.56-126,656.37-51,495.23

Finding the Fourth Proportional to 91,778.56, 126,656.37 and 51,495.23

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Solution

The fourth proportional to 91,778.56, 126,656.37 and 51,495.23 is: 71,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778.56 : 126,656.37 = 51,495.23 : x
  2. Step 2: Convert to fraction form
    91,778.56/126,656.37 = 51,495.23/x
  3. Step 3: Cross multiply
    91,778.56x = 126,656.37 × 51,495.23
  4. Step 4: Simplify right side
    91,778.56x = 6,522,199,220.76
  5. Step 5: Solve for x
    x = 6,522,199,220.76/91,778.56
  6. Step 6: Final answer
    x = 71,064.52

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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.