Home / 69,111.10-103,666.65-34,119.10

Finding the Fourth Proportional to 69,111.10, 103,666.65 and 34,119.10

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Solution

The fourth proportional to 69,111.10, 103,666.65 and 34,119.10 is: 51,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,111.10 : 103,666.65 = 34,119.10 : x
  2. Step 2: Convert to fraction form
    69,111.10/103,666.65 = 34,119.10/x
  3. Step 3: Cross multiply
    69,111.10x = 103,666.65 × 34,119.10
  4. Step 4: Simplify right side
    69,111.10x = 3,537,012,798.02
  5. Step 5: Solve for x
    x = 3,537,012,798.02/69,111.10
  6. Step 6: Final answer
    x = 51,178.65

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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.