Home / 61,611.02-84,817.50-58,789.80

Finding the Fourth Proportional to 61,611.02, 84,817.50 and 58,789.80

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Solution

The fourth proportional to 61,611.02, 84,817.50 and 58,789.80 is: 80,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,611.02 : 84,817.50 = 58,789.80 : x
  2. Step 2: Convert to fraction form
    61,611.02/84,817.50 = 58,789.80/x
  3. Step 3: Cross multiply
    61,611.02x = 84,817.50 × 58,789.80
  4. Step 4: Simplify right side
    61,611.02x = 4,986,403,861.50
  5. Step 5: Solve for x
    x = 4,986,403,861.50/61,611.02
  6. Step 6: Final answer
    x = 80,933.64

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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.