Home / 114,071.49-157,438.08-66,352.50

Finding the Fourth Proportional to 114,071.49, 157,438.08 and 66,352.50

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Solution

The fourth proportional to 114,071.49, 157,438.08 and 66,352.50 is: 91,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,071.49 : 157,438.08 = 66,352.50 : x
  2. Step 2: Convert to fraction form
    114,071.49/157,438.08 = 66,352.50/x
  3. Step 3: Cross multiply
    114,071.49x = 157,438.08 × 66,352.50
  4. Step 4: Simplify right side
    114,071.49x = 10,446,410,203.20
  5. Step 5: Solve for x
    x = 10,446,410,203.20/114,071.49
  6. Step 6: Final answer
    x = 91,577.75

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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.