Home / 91,013.22-125,598.83-50,729.54

Finding the Fourth Proportional to 91,013.22, 125,598.83 and 50,729.54

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Solution

The fourth proportional to 91,013.22, 125,598.83 and 50,729.54 is: 70,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.22 : 125,598.83 = 50,729.54 : x
  2. Step 2: Convert to fraction form
    91,013.22/125,598.83 = 50,729.54/x
  3. Step 3: Cross multiply
    91,013.22x = 125,598.83 × 50,729.54
  4. Step 4: Simplify right side
    91,013.22x = 6,371,569,988.80
  5. Step 5: Solve for x
    x = 6,371,569,988.80/91,013.22
  6. Step 6: Final answer
    x = 70,007.08

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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.