Home / 112,831.07-169,038.99-70,703.29

Finding the Fourth Proportional to 112,831.07, 169,038.99 and 70,703.29

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Solution

The fourth proportional to 112,831.07, 169,038.99 and 70,703.29 is: 105,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,831.07 : 169,038.99 = 70,703.29 : x
  2. Step 2: Convert to fraction form
    112,831.07/169,038.99 = 70,703.29/x
  3. Step 3: Cross multiply
    112,831.07x = 169,038.99 × 70,703.29
  4. Step 4: Simplify right side
    112,831.07x = 11,951,612,942.58
  5. Step 5: Solve for x
    x = 11,951,612,942.58/112,831.07
  6. Step 6: Final answer
    x = 105,924.84

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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.