Home / 66,328.56-99,536.58-31,271.76

Finding the Fourth Proportional to 66,328.56, 99,536.58 and 31,271.76

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Solution

The fourth proportional to 66,328.56, 99,536.58 and 31,271.76 is: 46,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.56 : 99,536.58 = 31,271.76 : x
  2. Step 2: Convert to fraction form
    66,328.56/99,536.58 = 31,271.76/x
  3. Step 3: Cross multiply
    66,328.56x = 99,536.58 × 31,271.76
  4. Step 4: Simplify right side
    66,328.56x = 3,112,684,040.98
  5. Step 5: Solve for x
    x = 3,112,684,040.98/66,328.56
  6. Step 6: Final answer
    x = 46,928.26

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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.