Home / 66,263.49-91,317.65-47,367.81

Finding the Fourth Proportional to 66,263.49, 91,317.65 and 47,367.81

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Solution

The fourth proportional to 66,263.49, 91,317.65 and 47,367.81 is: 65,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,263.49 : 91,317.65 = 47,367.81 : x
  2. Step 2: Convert to fraction form
    66,263.49/91,317.65 = 47,367.81/x
  3. Step 3: Cross multiply
    66,263.49x = 91,317.65 × 47,367.81
  4. Step 4: Simplify right side
    66,263.49x = 4,325,516,858.01
  5. Step 5: Solve for x
    x = 4,325,516,858.01/66,263.49
  6. Step 6: Final answer
    x = 65,277.53

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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.