Home / 101,613.39-152,378.36-30,511.18

Finding the Fourth Proportional to 101,613.39, 152,378.36 and 30,511.18

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Solution

The fourth proportional to 101,613.39, 152,378.36 and 30,511.18 is: 45,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,613.39 : 152,378.36 = 30,511.18 : x
  2. Step 2: Convert to fraction form
    101,613.39/152,378.36 = 30,511.18/x
  3. Step 3: Cross multiply
    101,613.39x = 152,378.36 × 30,511.18
  4. Step 4: Simplify right side
    101,613.39x = 4,649,243,570.06
  5. Step 5: Solve for x
    x = 4,649,243,570.06/101,613.39
  6. Step 6: Final answer
    x = 45,754.24

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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.