Home / 53,794.08-74,230.63-31,128.55

Finding the Fourth Proportional to 53,794.08, 74,230.63 and 31,128.55

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Solution

The fourth proportional to 53,794.08, 74,230.63 and 31,128.55 is: 42,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,794.08 : 74,230.63 = 31,128.55 : x
  2. Step 2: Convert to fraction form
    53,794.08/74,230.63 = 31,128.55/x
  3. Step 3: Cross multiply
    53,794.08x = 74,230.63 × 31,128.55
  4. Step 4: Simplify right side
    53,794.08x = 2,310,691,877.49
  5. Step 5: Solve for x
    x = 2,310,691,877.49/53,794.08
  6. Step 6: Final answer
    x = 42,954.39

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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.