Home / 67,490.06-93,136.30-39,197.58

Finding the Fourth Proportional to 67,490.06, 93,136.30 and 39,197.58

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Solution

The fourth proportional to 67,490.06, 93,136.30 and 39,197.58 is: 54,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,490.06 : 93,136.30 = 39,197.58 : x
  2. Step 2: Convert to fraction form
    67,490.06/93,136.30 = 39,197.58/x
  3. Step 3: Cross multiply
    67,490.06x = 93,136.30 × 39,197.58
  4. Step 4: Simplify right side
    67,490.06x = 3,650,717,570.15
  5. Step 5: Solve for x
    x = 3,650,717,570.15/67,490.06
  6. Step 6: Final answer
    x = 54,092.67

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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.