Home / 77,115.51-106,424.91-46,895.22

Finding the Fourth Proportional to 77,115.51, 106,424.91 and 46,895.22

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Solution

The fourth proportional to 77,115.51, 106,424.91 and 46,895.22 is: 64,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115.51 : 106,424.91 = 46,895.22 : x
  2. Step 2: Convert to fraction form
    77,115.51/106,424.91 = 46,895.22/x
  3. Step 3: Cross multiply
    77,115.51x = 106,424.91 × 46,895.22
  4. Step 4: Simplify right side
    77,115.51x = 4,990,819,567.93
  5. Step 5: Solve for x
    x = 4,990,819,567.93/77,115.51
  6. Step 6: Final answer
    x = 64,718.75

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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.