Home / 91,301.14-125,995.31-51,014.93

Finding the Fourth Proportional to 91,301.14, 125,995.31 and 51,014.93

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Solution

The fourth proportional to 91,301.14, 125,995.31 and 51,014.93 is: 70,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.14 : 125,995.31 = 51,014.93 : x
  2. Step 2: Convert to fraction form
    91,301.14/125,995.31 = 51,014.93/x
  3. Step 3: Cross multiply
    91,301.14x = 125,995.31 × 51,014.93
  4. Step 4: Simplify right side
    91,301.14x = 6,427,641,791.48
  5. Step 5: Solve for x
    x = 6,427,641,791.48/91,301.14
  6. Step 6: Final answer
    x = 70,400.45

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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.