Home / 53,031.02-73,182.81-29,159.30

Finding the Fourth Proportional to 53,031.02, 73,182.81 and 29,159.30

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Solution

The fourth proportional to 53,031.02, 73,182.81 and 29,159.30 is: 40,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.02 : 73,182.81 = 29,159.30 : x
  2. Step 2: Convert to fraction form
    53,031.02/73,182.81 = 29,159.30/x
  3. Step 3: Cross multiply
    53,031.02x = 73,182.81 × 29,159.30
  4. Step 4: Simplify right side
    53,031.02x = 2,133,959,145.72
  5. Step 5: Solve for x
    x = 2,133,959,145.72/53,031.02
  6. Step 6: Final answer
    x = 40,239.83

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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.