Home / 93,813.24-129,450.42-74,741.39

Finding the Fourth Proportional to 93,813.24, 129,450.42 and 74,741.39

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Solution

The fourth proportional to 93,813.24, 129,450.42 and 74,741.39 is: 103,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,813.24 : 129,450.42 = 74,741.39 : x
  2. Step 2: Convert to fraction form
    93,813.24/129,450.42 = 74,741.39/x
  3. Step 3: Cross multiply
    93,813.24x = 129,450.42 × 74,741.39
  4. Step 4: Simplify right side
    93,813.24x = 9,675,304,326.88
  5. Step 5: Solve for x
    x = 9,675,304,326.88/93,813.24
  6. Step 6: Final answer
    x = 103,133.68

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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.