Home / 91,786.84-126,665.69-51,504.35

Finding the Fourth Proportional to 91,786.84, 126,665.69 and 51,504.35

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Solution

The fourth proportional to 91,786.84, 126,665.69 and 51,504.35 is: 71,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786.84 : 126,665.69 = 51,504.35 : x
  2. Step 2: Convert to fraction form
    91,786.84/126,665.69 = 51,504.35/x
  3. Step 3: Cross multiply
    91,786.84x = 126,665.69 × 51,504.35
  4. Step 4: Simplify right side
    91,786.84x = 6,523,833,397.42
  5. Step 5: Solve for x
    x = 6,523,833,397.42/91,786.84
  6. Step 6: Final answer
    x = 71,075.91

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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.