Home / 125,763.74-173,554.65-68,403.49

Finding the Fourth Proportional to 125,763.74, 173,554.65 and 68,403.49

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Solution

The fourth proportional to 125,763.74, 173,554.65 and 68,403.49 is: 94,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,763.74 : 173,554.65 = 68,403.49 : x
  2. Step 2: Convert to fraction form
    125,763.74/173,554.65 = 68,403.49/x
  3. Step 3: Cross multiply
    125,763.74x = 173,554.65 × 68,403.49
  4. Step 4: Simplify right side
    125,763.74x = 11,871,743,331.84
  5. Step 5: Solve for x
    x = 11,871,743,331.84/125,763.74
  6. Step 6: Final answer
    x = 94,397.19

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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.