Home / 92,010.23-126,965.53-51,720.47

Finding the Fourth Proportional to 92,010.23, 126,965.53 and 51,720.47

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Solution

The fourth proportional to 92,010.23, 126,965.53 and 51,720.47 is: 71,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,010.23 : 126,965.53 = 51,720.47 : x
  2. Step 2: Convert to fraction form
    92,010.23/126,965.53 = 51,720.47/x
  3. Step 3: Cross multiply
    92,010.23x = 126,965.53 × 51,720.47
  4. Step 4: Simplify right side
    92,010.23x = 6,566,716,885.40
  5. Step 5: Solve for x
    x = 6,566,716,885.40/92,010.23
  6. Step 6: Final answer
    x = 71,369.42

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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.