Home / 53,791.08-74,226.49-31,125.55

Finding the Fourth Proportional to 53,791.08, 74,226.49 and 31,125.55

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Solution

The fourth proportional to 53,791.08, 74,226.49 and 31,125.55 is: 42,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.08 : 74,226.49 = 31,125.55 : x
  2. Step 2: Convert to fraction form
    53,791.08/74,226.49 = 31,125.55/x
  3. Step 3: Cross multiply
    53,791.08x = 74,226.49 × 31,125.55
  4. Step 4: Simplify right side
    53,791.08x = 2,310,340,325.82
  5. Step 5: Solve for x
    x = 2,310,340,325.82/53,791.08
  6. Step 6: Final answer
    x = 42,950.25

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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.