Home / 53,880.84-74,278.44-37,915.68

Finding the Fourth Proportional to 53,880.84, 74,278.44 and 37,915.68

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Solution

The fourth proportional to 53,880.84, 74,278.44 and 37,915.68 is: 52,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.84 : 74,278.44 = 37,915.68 : x
  2. Step 2: Convert to fraction form
    53,880.84/74,278.44 = 37,915.68/x
  3. Step 3: Cross multiply
    53,880.84x = 74,278.44 × 37,915.68
  4. Step 4: Simplify right side
    53,880.84x = 2,816,317,561.94
  5. Step 5: Solve for x
    x = 2,816,317,561.94/53,880.84
  6. Step 6: Final answer
    x = 52,269.37

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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.