Home / 91,316.72-126,017.24-51,030.48

Finding the Fourth Proportional to 91,316.72, 126,017.24 and 51,030.48

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Solution

The fourth proportional to 91,316.72, 126,017.24 and 51,030.48 is: 70,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,316.72 : 126,017.24 = 51,030.48 : x
  2. Step 2: Convert to fraction form
    91,316.72/126,017.24 = 51,030.48/x
  3. Step 3: Cross multiply
    91,316.72x = 126,017.24 × 51,030.48
  4. Step 4: Simplify right side
    91,316.72x = 6,430,719,862.41
  5. Step 5: Solve for x
    x = 6,430,719,862.41/91,316.72
  6. Step 6: Final answer
    x = 70,422.15

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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.