Home / 68,860.20-103,071.60-63,611.40

Finding the Fourth Proportional to 68,860.20, 103,071.60 and 63,611.40

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Solution

The fourth proportional to 68,860.20, 103,071.60 and 63,611.40 is: 95,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,860.20 : 103,071.60 = 63,611.40 : x
  2. Step 2: Convert to fraction form
    68,860.20/103,071.60 = 63,611.40/x
  3. Step 3: Cross multiply
    68,860.20x = 103,071.60 × 63,611.40
  4. Step 4: Simplify right side
    68,860.20x = 6,556,528,776.24
  5. Step 5: Solve for x
    x = 6,556,528,776.24/68,860.20
  6. Step 6: Final answer
    x = 95,215.07

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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.