Home / 125,389.18-173,036.39-68,029.64

Finding the Fourth Proportional to 125,389.18, 173,036.39 and 68,029.64

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Solution

The fourth proportional to 125,389.18, 173,036.39 and 68,029.64 is: 93,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.18 : 173,036.39 = 68,029.64 : x
  2. Step 2: Convert to fraction form
    125,389.18/173,036.39 = 68,029.64/x
  3. Step 3: Cross multiply
    125,389.18x = 173,036.39 × 68,029.64
  4. Step 4: Simplify right side
    125,389.18x = 11,771,603,318.60
  5. Step 5: Solve for x
    x = 11,771,603,318.60/125,389.18
  6. Step 6: Final answer
    x = 93,880.54

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1.5x scale

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.