Home / 77,081.34-106,389.39-46,860.25

Finding the Fourth Proportional to 77,081.34, 106,389.39 and 46,860.25

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Solution

The fourth proportional to 77,081.34, 106,389.39 and 46,860.25 is: 64,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,081.34 : 106,389.39 = 46,860.25 : x
  2. Step 2: Convert to fraction form
    77,081.34/106,389.39 = 46,860.25/x
  3. Step 3: Cross multiply
    77,081.34x = 106,389.39 × 46,860.25
  4. Step 4: Simplify right side
    77,081.34x = 4,985,433,412.75
  5. Step 5: Solve for x
    x = 4,985,433,412.75/77,081.34
  6. Step 6: Final answer
    x = 64,677.57

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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.