Home / 125,946.05-173,792.32-71,480.89

Finding the Fourth Proportional to 125,946.05, 173,792.32 and 71,480.89

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Solution

The fourth proportional to 125,946.05, 173,792.32 and 71,480.89 is: 98,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,946.05 : 173,792.32 = 71,480.89 : x
  2. Step 2: Convert to fraction form
    125,946.05/173,792.32 = 71,480.89/x
  3. Step 3: Cross multiply
    125,946.05x = 173,792.32 × 71,480.89
  4. Step 4: Simplify right side
    125,946.05x = 12,422,829,708.76
  5. Step 5: Solve for x
    x = 12,422,829,708.76/125,946.05
  6. Step 6: Final answer
    x = 98,636.12

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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.