Home / 124,267.15-171,490.62-67,678.48

Finding the Fourth Proportional to 124,267.15, 171,490.62 and 67,678.48

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Solution

The fourth proportional to 124,267.15, 171,490.62 and 67,678.48 is: 93,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.15 : 171,490.62 = 67,678.48 : x
  2. Step 2: Convert to fraction form
    124,267.15/171,490.62 = 67,678.48/x
  3. Step 3: Cross multiply
    124,267.15x = 171,490.62 × 67,678.48
  4. Step 4: Simplify right side
    124,267.15x = 11,606,224,495.86
  5. Step 5: Solve for x
    x = 11,606,224,495.86/124,267.15
  6. Step 6: Final answer
    x = 93,397.37

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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.