Home / 124,664.45-172,051.71-70,218.41

Finding the Fourth Proportional to 124,664.45, 172,051.71 and 70,218.41

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Solution

The fourth proportional to 124,664.45, 172,051.71 and 70,218.41 is: 96,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,664.45 : 172,051.71 = 70,218.41 : x
  2. Step 2: Convert to fraction form
    124,664.45/172,051.71 = 70,218.41/x
  3. Step 3: Cross multiply
    124,664.45x = 172,051.71 × 70,218.41
  4. Step 4: Simplify right side
    124,664.45x = 12,081,197,513.98
  5. Step 5: Solve for x
    x = 12,081,197,513.98/124,664.45
  6. Step 6: Final answer
    x = 96,909.72

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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.