Home / 112,316.08-168,471.21-45,756.10

Finding the Fourth Proportional to 112,316.08, 168,471.21 and 45,756.10

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Solution

The fourth proportional to 112,316.08, 168,471.21 and 45,756.10 is: 68,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316.08 : 168,471.21 = 45,756.10 : x
  2. Step 2: Convert to fraction form
    112,316.08/168,471.21 = 45,756.10/x
  3. Step 3: Cross multiply
    112,316.08x = 168,471.21 × 45,756.10
  4. Step 4: Simplify right side
    112,316.08x = 7,708,585,531.88
  5. Step 5: Solve for x
    x = 7,708,585,531.88/112,316.08
  6. Step 6: Final answer
    x = 68,632.96

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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.