Home / 67,509.75-101,368.67-57,116.34

Finding the Fourth Proportional to 67,509.75, 101,368.67 and 57,116.34

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Solution

The fourth proportional to 67,509.75, 101,368.67 and 57,116.34 is: 85,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.75 : 101,368.67 = 57,116.34 : x
  2. Step 2: Convert to fraction form
    67,509.75/101,368.67 = 57,116.34/x
  3. Step 3: Cross multiply
    67,509.75x = 101,368.67 × 57,116.34
  4. Step 4: Simplify right side
    67,509.75x = 5,789,807,135.49
  5. Step 5: Solve for x
    x = 5,789,807,135.49/67,509.75
  6. Step 6: Final answer
    x = 85,762.53

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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.