Home / 112,208.42-168,167.16-45,570.50

Finding the Fourth Proportional to 112,208.42, 168,167.16 and 45,570.50

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Solution

The fourth proportional to 112,208.42, 168,167.16 and 45,570.50 is: 68,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.42 : 168,167.16 = 45,570.50 : x
  2. Step 2: Convert to fraction form
    112,208.42/168,167.16 = 45,570.50/x
  3. Step 3: Cross multiply
    112,208.42x = 168,167.16 × 45,570.50
  4. Step 4: Simplify right side
    112,208.42x = 7,663,461,564.78
  5. Step 5: Solve for x
    x = 7,663,461,564.78/112,208.42
  6. Step 6: Final answer
    x = 68,296.67

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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.