Home / 53,850.49-74,312.50-31,193.58

Finding the Fourth Proportional to 53,850.49, 74,312.50 and 31,193.58

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Solution

The fourth proportional to 53,850.49, 74,312.50 and 31,193.58 is: 43,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.49 : 74,312.50 = 31,193.58 : x
  2. Step 2: Convert to fraction form
    53,850.49/74,312.50 = 31,193.58/x
  3. Step 3: Cross multiply
    53,850.49x = 74,312.50 × 31,193.58
  4. Step 4: Simplify right side
    53,850.49x = 2,318,072,913.75
  5. Step 5: Solve for x
    x = 2,318,072,913.75/53,850.49
  6. Step 6: Final answer
    x = 43,046.46

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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.