Home / 53,934.12-74,394.34-35,784.45

Finding the Fourth Proportional to 53,934.12, 74,394.34 and 35,784.45

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Solution

The fourth proportional to 53,934.12, 74,394.34 and 35,784.45 is: 49,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.12 : 74,394.34 = 35,784.45 : x
  2. Step 2: Convert to fraction form
    53,934.12/74,394.34 = 35,784.45/x
  3. Step 3: Cross multiply
    53,934.12x = 74,394.34 × 35,784.45
  4. Step 4: Simplify right side
    53,934.12x = 2,662,160,540.01
  5. Step 5: Solve for x
    x = 2,662,160,540.01/53,934.12
  6. Step 6: Final answer
    x = 49,359.49

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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.