Home / 91,770.64-126,643.53-53,556.46

Finding the Fourth Proportional to 91,770.64, 126,643.53 and 53,556.46

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Solution

The fourth proportional to 91,770.64, 126,643.53 and 53,556.46 is: 73,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.64 : 126,643.53 = 53,556.46 : x
  2. Step 2: Convert to fraction form
    91,770.64/126,643.53 = 53,556.46/x
  3. Step 3: Cross multiply
    91,770.64x = 126,643.53 × 53,556.46
  4. Step 4: Simplify right side
    91,770.64x = 6,782,579,148.70
  5. Step 5: Solve for x
    x = 6,782,579,148.70/91,770.64
  6. Step 6: Final answer
    x = 73,907.94

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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.