Home / 124,969.77-172,393.92-84,669.84

Finding the Fourth Proportional to 124,969.77, 172,393.92 and 84,669.84

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Solution

The fourth proportional to 124,969.77, 172,393.92 and 84,669.84 is: 116,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.77 : 172,393.92 = 84,669.84 : x
  2. Step 2: Convert to fraction form
    124,969.77/172,393.92 = 84,669.84/x
  3. Step 3: Cross multiply
    124,969.77x = 172,393.92 × 84,669.84
  4. Step 4: Simplify right side
    124,969.77x = 14,596,565,623.37
  5. Step 5: Solve for x
    x = 14,596,565,623.37/124,969.77
  6. Step 6: Final answer
    x = 116,800.77

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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.