Home / 96,689.44-145,031.86-56,960.38

Finding the Fourth Proportional to 96,689.44, 145,031.86 and 56,960.38

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Solution

The fourth proportional to 96,689.44, 145,031.86 and 56,960.38 is: 85,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.44 : 145,031.86 = 56,960.38 : x
  2. Step 2: Convert to fraction form
    96,689.44/145,031.86 = 56,960.38/x
  3. Step 3: Cross multiply
    96,689.44x = 145,031.86 × 56,960.38
  4. Step 4: Simplify right side
    96,689.44x = 8,261,069,857.71
  5. Step 5: Solve for x
    x = 8,261,069,857.71/96,689.44
  6. Step 6: Final answer
    x = 85,439.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.