Home / 145,659.12-218,644.20-62,611.44

Finding the Fourth Proportional to 145,659.12, 218,644.20 and 62,611.44

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Solution

The fourth proportional to 145,659.12, 218,644.20 and 62,611.44 is: 93,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,659.12 : 218,644.20 = 62,611.44 : x
  2. Step 2: Convert to fraction form
    145,659.12/218,644.20 = 62,611.44/x
  3. Step 3: Cross multiply
    145,659.12x = 218,644.20 × 62,611.44
  4. Step 4: Simplify right side
    145,659.12x = 13,689,628,209.65
  5. Step 5: Solve for x
    x = 13,689,628,209.65/145,659.12
  6. Step 6: Final answer
    x = 93,984.01

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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.