Home / 91,600.95-126,407.02-51,314.44

Finding the Fourth Proportional to 91,600.95, 126,407.02 and 51,314.44

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Solution

The fourth proportional to 91,600.95, 126,407.02 and 51,314.44 is: 70,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.95 : 126,407.02 = 51,314.44 : x
  2. Step 2: Convert to fraction form
    91,600.95/126,407.02 = 51,314.44/x
  3. Step 3: Cross multiply
    91,600.95x = 126,407.02 × 51,314.44
  4. Step 4: Simplify right side
    91,600.95x = 6,486,505,443.37
  5. Step 5: Solve for x
    x = 6,486,505,443.37/91,600.95
  6. Step 6: Final answer
    x = 70,812.64

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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.