Home / 66,453.81-91,708.56-37,774.67

Finding the Fourth Proportional to 66,453.81, 91,708.56 and 37,774.67

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Solution

The fourth proportional to 66,453.81, 91,708.56 and 37,774.67 is: 52,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.81 : 91,708.56 = 37,774.67 : x
  2. Step 2: Convert to fraction form
    66,453.81/91,708.56 = 37,774.67/x
  3. Step 3: Cross multiply
    66,453.81x = 91,708.56 × 37,774.67
  4. Step 4: Simplify right side
    66,453.81x = 3,464,260,131.63
  5. Step 5: Solve for x
    x = 3,464,260,131.63/66,453.81
  6. Step 6: Final answer
    x = 52,130.35

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1.5x scale

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.