Home / 85,176.90-127,783.18-29,012.58

Finding the Fourth Proportional to 85,176.90, 127,783.18 and 29,012.58

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Solution

The fourth proportional to 85,176.90, 127,783.18 and 29,012.58 is: 43,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176.90 : 127,783.18 = 29,012.58 : x
  2. Step 2: Convert to fraction form
    85,176.90/127,783.18 = 29,012.58/x
  3. Step 3: Cross multiply
    85,176.90x = 127,783.18 × 29,012.58
  4. Step 4: Simplify right side
    85,176.90x = 3,707,319,732.40
  5. Step 5: Solve for x
    x = 3,707,319,732.40/85,176.90
  6. Step 6: Final answer
    x = 43,524.94

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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.