Home / 91,946.90-126,886.83-51,660.64

Finding the Fourth Proportional to 91,946.90, 126,886.83 and 51,660.64

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Solution

The fourth proportional to 91,946.90, 126,886.83 and 51,660.64 is: 71,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.90 : 126,886.83 = 51,660.64 : x
  2. Step 2: Convert to fraction form
    91,946.90/126,886.83 = 51,660.64/x
  3. Step 3: Cross multiply
    91,946.90x = 126,886.83 × 51,660.64
  4. Step 4: Simplify right side
    91,946.90x = 6,555,054,241.81
  5. Step 5: Solve for x
    x = 6,555,054,241.81/91,946.90
  6. Step 6: Final answer
    x = 71,291.74

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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.