Home / 112,064.10-168,096.15-40,986.60

Finding the Fourth Proportional to 112,064.10, 168,096.15 and 40,986.60

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Solution

The fourth proportional to 112,064.10, 168,096.15 and 40,986.60 is: 61,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.10 : 168,096.15 = 40,986.60 : x
  2. Step 2: Convert to fraction form
    112,064.10/168,096.15 = 40,986.60/x
  3. Step 3: Cross multiply
    112,064.10x = 168,096.15 × 40,986.60
  4. Step 4: Simplify right side
    112,064.10x = 6,889,689,661.59
  5. Step 5: Solve for x
    x = 6,889,689,661.59/112,064.10
  6. Step 6: Final answer
    x = 61,479.90

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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.