Home / 91,538.75-126,325.82-51,261.02

Finding the Fourth Proportional to 91,538.75, 126,325.82 and 51,261.02

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Solution

The fourth proportional to 91,538.75, 126,325.82 and 51,261.02 is: 70,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,538.75 : 126,325.82 = 51,261.02 : x
  2. Step 2: Convert to fraction form
    91,538.75/126,325.82 = 51,261.02/x
  3. Step 3: Cross multiply
    91,538.75x = 126,325.82 × 51,261.02
  4. Step 4: Simplify right side
    91,538.75x = 6,475,590,129.23
  5. Step 5: Solve for x
    x = 6,475,590,129.23/91,538.75
  6. Step 6: Final answer
    x = 70,741.52

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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.