Home / 79,045.36-118,601.32-34,649.20

Finding the Fourth Proportional to 79,045.36, 118,601.32 and 34,649.20

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Solution

The fourth proportional to 79,045.36, 118,601.32 and 34,649.20 is: 51,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.36 : 118,601.32 = 34,649.20 : x
  2. Step 2: Convert to fraction form
    79,045.36/118,601.32 = 34,649.20/x
  3. Step 3: Cross multiply
    79,045.36x = 118,601.32 × 34,649.20
  4. Step 4: Simplify right side
    79,045.36x = 4,109,440,856.94
  5. Step 5: Solve for x
    x = 4,109,440,856.94/79,045.36
  6. Step 6: Final answer
    x = 51,988.39

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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.