Home / 55,555.16-76,586.28-39,611.96

Finding the Fourth Proportional to 55,555.16, 76,586.28 and 39,611.96

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Solution

The fourth proportional to 55,555.16, 76,586.28 and 39,611.96 is: 54,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.16 : 76,586.28 = 39,611.96 : x
  2. Step 2: Convert to fraction form
    55,555.16/76,586.28 = 39,611.96/x
  3. Step 3: Cross multiply
    55,555.16x = 76,586.28 × 39,611.96
  4. Step 4: Simplify right side
    55,555.16x = 3,033,732,659.91
  5. Step 5: Solve for x
    x = 3,033,732,659.91/55,555.16
  6. Step 6: Final answer
    x = 54,607.58

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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.