Home / 53,178.79-73,387.22-29,306.32

Finding the Fourth Proportional to 53,178.79, 73,387.22 and 29,306.32

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Solution

The fourth proportional to 53,178.79, 73,387.22 and 29,306.32 is: 40,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.79 : 73,387.22 = 29,306.32 : x
  2. Step 2: Convert to fraction form
    53,178.79/73,387.22 = 29,306.32/x
  3. Step 3: Cross multiply
    53,178.79x = 73,387.22 × 29,306.32
  4. Step 4: Simplify right side
    53,178.79x = 2,150,709,353.23
  5. Step 5: Solve for x
    x = 2,150,709,353.23/53,178.79
  6. Step 6: Final answer
    x = 40,442.99

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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.