Home / 91,108.01-125,731.53-50,829.63

Finding the Fourth Proportional to 91,108.01, 125,731.53 and 50,829.63

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Solution

The fourth proportional to 91,108.01, 125,731.53 and 50,829.63 is: 70,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,108.01 : 125,731.53 = 50,829.63 : x
  2. Step 2: Convert to fraction form
    91,108.01/125,731.53 = 50,829.63/x
  3. Step 3: Cross multiply
    91,108.01x = 125,731.53 × 50,829.63
  4. Step 4: Simplify right side
    91,108.01x = 6,390,887,149.23
  5. Step 5: Solve for x
    x = 6,390,887,149.23/91,108.01
  6. Step 6: Final answer
    x = 70,146.27

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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.