Home / 91,195.18-125,844.12-50,911.47

Finding the Fourth Proportional to 91,195.18, 125,844.12 and 50,911.47

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Solution

The fourth proportional to 91,195.18, 125,844.12 and 50,911.47 is: 70,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,195.18 : 125,844.12 = 50,911.47 : x
  2. Step 2: Convert to fraction form
    91,195.18/125,844.12 = 50,911.47/x
  3. Step 3: Cross multiply
    91,195.18x = 125,844.12 × 50,911.47
  4. Step 4: Simplify right side
    91,195.18x = 6,406,909,140.06
  5. Step 5: Solve for x
    x = 6,406,909,140.06/91,195.18
  6. Step 6: Final answer
    x = 70,254.91

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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.