Home / 91,299.45-125,993.86-51,014.91

Finding the Fourth Proportional to 91,299.45, 125,993.86 and 51,014.91

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Solution

The fourth proportional to 91,299.45, 125,993.86 and 51,014.91 is: 70,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,299.45 : 125,993.86 = 51,014.91 : x
  2. Step 2: Convert to fraction form
    91,299.45/125,993.86 = 51,014.91/x
  3. Step 3: Cross multiply
    91,299.45x = 125,993.86 × 51,014.91
  4. Step 4: Simplify right side
    91,299.45x = 6,427,565,428.45
  5. Step 5: Solve for x
    x = 6,427,565,428.45/91,299.45
  6. Step 6: Final answer
    x = 70,400.92

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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.