Home / 91,706.46-126,554.43-51,420.18

Finding the Fourth Proportional to 91,706.46, 126,554.43 and 51,420.18

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Solution

The fourth proportional to 91,706.46, 126,554.43 and 51,420.18 is: 70,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,706.46 : 126,554.43 = 51,420.18 : x
  2. Step 2: Convert to fraction form
    91,706.46/126,554.43 = 51,420.18/x
  3. Step 3: Cross multiply
    91,706.46x = 126,554.43 × 51,420.18
  4. Step 4: Simplify right side
    91,706.46x = 6,507,451,570.40
  5. Step 5: Solve for x
    x = 6,507,451,570.40/91,706.46
  6. Step 6: Final answer
    x = 70,959.58

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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.