Home / 114,501.80-158,012.62-66,764.38

Finding the Fourth Proportional to 114,501.80, 158,012.62 and 66,764.38

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Solution

The fourth proportional to 114,501.80, 158,012.62 and 66,764.38 is: 92,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,501.80 : 158,012.62 = 66,764.38 : x
  2. Step 2: Convert to fraction form
    114,501.80/158,012.62 = 66,764.38/x
  3. Step 3: Cross multiply
    114,501.80x = 158,012.62 × 66,764.38
  4. Step 4: Simplify right side
    114,501.80x = 10,549,614,271.95
  5. Step 5: Solve for x
    x = 10,549,614,271.95/114,501.80
  6. Step 6: Final answer
    x = 92,134.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.