Home / 73,218.72-101,031.27-40,953.18

Finding the Fourth Proportional to 73,218.72, 101,031.27 and 40,953.18

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Solution

The fourth proportional to 73,218.72, 101,031.27 and 40,953.18 is: 56,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218.72 : 101,031.27 = 40,953.18 : x
  2. Step 2: Convert to fraction form
    73,218.72/101,031.27 = 40,953.18/x
  3. Step 3: Cross multiply
    73,218.72x = 101,031.27 × 40,953.18
  4. Step 4: Simplify right side
    73,218.72x = 4,137,551,785.94
  5. Step 5: Solve for x
    x = 4,137,551,785.94/73,218.72
  6. Step 6: Final answer
    x = 56,509.48

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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.