Home / 91,316.49-126,016.46-51,030.26

Finding the Fourth Proportional to 91,316.49, 126,016.46 and 51,030.26

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Solution

The fourth proportional to 91,316.49, 126,016.46 and 51,030.26 is: 70,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,316.49 : 126,016.46 = 51,030.26 : x
  2. Step 2: Convert to fraction form
    91,316.49/126,016.46 = 51,030.26/x
  3. Step 3: Cross multiply
    91,316.49x = 126,016.46 × 51,030.26
  4. Step 4: Simplify right side
    91,316.49x = 6,430,651,832.85
  5. Step 5: Solve for x
    x = 6,430,651,832.85/91,316.49
  6. Step 6: Final answer
    x = 70,421.58

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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.