Home / 126,036.84-173,929.77-69,447

Finding the Fourth Proportional to 126,036.84, 173,929.77 and 69,447

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Solution

The fourth proportional to 126,036.84, 173,929.77 and 69,447 is: 95,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.84 : 173,929.77 = 69,447 : x
  2. Step 2: Convert to fraction form
    126,036.84/173,929.77 = 69,447/x
  3. Step 3: Cross multiply
    126,036.84x = 173,929.77 × 69,447
  4. Step 4: Simplify right side
    126,036.84x = 12,078,900,737.19
  5. Step 5: Solve for x
    x = 12,078,900,737.19/126,036.84
  6. Step 6: Final answer
    x = 95,836.27

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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.