Home / 91,012.16-125,596.50-50,725.46

Finding the Fourth Proportional to 91,012.16, 125,596.50 and 50,725.46

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Solution

The fourth proportional to 91,012.16, 125,596.50 and 50,725.46 is: 70,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012.16 : 125,596.50 = 50,725.46 : x
  2. Step 2: Convert to fraction form
    91,012.16/125,596.50 = 50,725.46/x
  3. Step 3: Cross multiply
    91,012.16x = 125,596.50 × 50,725.46
  4. Step 4: Simplify right side
    91,012.16x = 6,370,940,236.89
  5. Step 5: Solve for x
    x = 6,370,940,236.89/91,012.16
  6. Step 6: Final answer
    x = 70,000.98

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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.