Home / 111,637.56-167,461.81-45,069.38

Finding the Fourth Proportional to 111,637.56, 167,461.81 and 45,069.38

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Solution

The fourth proportional to 111,637.56, 167,461.81 and 45,069.38 is: 67,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.56 : 167,461.81 = 45,069.38 : x
  2. Step 2: Convert to fraction form
    111,637.56/167,461.81 = 45,069.38/x
  3. Step 3: Cross multiply
    111,637.56x = 167,461.81 × 45,069.38
  4. Step 4: Simplify right side
    111,637.56x = 7,547,399,950.38
  5. Step 5: Solve for x
    x = 7,547,399,950.38/111,637.56
  6. Step 6: Final answer
    x = 67,606.28

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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.