Home / 89,922.02-124,092.40-49,635.80

Finding the Fourth Proportional to 89,922.02, 124,092.40 and 49,635.80

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Solution

The fourth proportional to 89,922.02, 124,092.40 and 49,635.80 is: 68,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,922.02 : 124,092.40 = 49,635.80 : x
  2. Step 2: Convert to fraction form
    89,922.02/124,092.40 = 49,635.80/x
  3. Step 3: Cross multiply
    89,922.02x = 124,092.40 × 49,635.80
  4. Step 4: Simplify right side
    89,922.02x = 6,159,425,547.92
  5. Step 5: Solve for x
    x = 6,159,425,547.92/89,922.02
  6. Step 6: Final answer
    x = 68,497.41

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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.