Home / 111,636.18-167,459.74-45,068

Finding the Fourth Proportional to 111,636.18, 167,459.74 and 45,068

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Solution

The fourth proportional to 111,636.18, 167,459.74 and 45,068 is: 67,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,636.18 : 167,459.74 = 45,068 : x
  2. Step 2: Convert to fraction form
    111,636.18/167,459.74 = 45,068/x
  3. Step 3: Cross multiply
    111,636.18x = 167,459.74 × 45,068
  4. Step 4: Simplify right side
    111,636.18x = 7,547,075,562.32
  5. Step 5: Solve for x
    x = 7,547,075,562.32/111,636.18
  6. Step 6: Final answer
    x = 67,604.21

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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.