Home / 53,574.30-73,929.78-29,700.72

Finding the Fourth Proportional to 53,574.30, 73,929.78 and 29,700.72

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Solution

The fourth proportional to 53,574.30, 73,929.78 and 29,700.72 is: 40,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,574.30 : 73,929.78 = 29,700.72 : x
  2. Step 2: Convert to fraction form
    53,574.30/73,929.78 = 29,700.72/x
  3. Step 3: Cross multiply
    53,574.30x = 73,929.78 × 29,700.72
  4. Step 4: Simplify right side
    53,574.30x = 2,195,767,695.44
  5. Step 5: Solve for x
    x = 2,195,767,695.44/53,574.30
  6. Step 6: Final answer
    x = 40,985.47

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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.