Home / 85,087.50-127,632.33-29,683.50

Finding the Fourth Proportional to 85,087.50, 127,632.33 and 29,683.50

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Solution

The fourth proportional to 85,087.50, 127,632.33 and 29,683.50 is: 44,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,087.50 : 127,632.33 = 29,683.50 : x
  2. Step 2: Convert to fraction form
    85,087.50/127,632.33 = 29,683.50/x
  3. Step 3: Cross multiply
    85,087.50x = 127,632.33 × 29,683.50
  4. Step 4: Simplify right side
    85,087.50x = 3,788,574,267.56
  5. Step 5: Solve for x
    x = 3,788,574,267.56/85,087.50
  6. Step 6: Final answer
    x = 44,525.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.