Home / 125,670.48-173,420.86-69,081.45

Finding the Fourth Proportional to 125,670.48, 173,420.86 and 69,081.45

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Solution

The fourth proportional to 125,670.48, 173,420.86 and 69,081.45 is: 95,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.48 : 173,420.86 = 69,081.45 : x
  2. Step 2: Convert to fraction form
    125,670.48/173,420.86 = 69,081.45/x
  3. Step 3: Cross multiply
    125,670.48x = 173,420.86 × 69,081.45
  4. Step 4: Simplify right side
    125,670.48x = 11,980,164,469.05
  5. Step 5: Solve for x
    x = 11,980,164,469.05/125,670.48
  6. Step 6: Final answer
    x = 95,329.98

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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.