Home / 124,521.59-186,671.43-45,617.36

Finding the Fourth Proportional to 124,521.59, 186,671.43 and 45,617.36

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Solution

The fourth proportional to 124,521.59, 186,671.43 and 45,617.36 is: 68,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.59 : 186,671.43 = 45,617.36 : x
  2. Step 2: Convert to fraction form
    124,521.59/186,671.43 = 45,617.36/x
  3. Step 3: Cross multiply
    124,521.59x = 186,671.43 × 45,617.36
  4. Step 4: Simplify right side
    124,521.59x = 8,515,456,890.67
  5. Step 5: Solve for x
    x = 8,515,456,890.67/124,521.59
  6. Step 6: Final answer
    x = 68,385.39

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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.