Home / 91,817.75-126,714.77-50,983.98

Finding the Fourth Proportional to 91,817.75, 126,714.77 and 50,983.98

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Solution

The fourth proportional to 91,817.75, 126,714.77 and 50,983.98 is: 70,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,817.75 : 126,714.77 = 50,983.98 : x
  2. Step 2: Convert to fraction form
    91,817.75/126,714.77 = 50,983.98/x
  3. Step 3: Cross multiply
    91,817.75x = 126,714.77 × 50,983.98
  4. Step 4: Simplify right side
    91,817.75x = 6,460,423,488.71
  5. Step 5: Solve for x
    x = 6,460,423,488.71/91,817.75
  6. Step 6: Final answer
    x = 70,361.38

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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.