Home / 77,477.41-106,922.33-60,681.25

Finding the Fourth Proportional to 77,477.41, 106,922.33 and 60,681.25

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Solution

The fourth proportional to 77,477.41, 106,922.33 and 60,681.25 is: 83,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477.41 : 106,922.33 = 60,681.25 : x
  2. Step 2: Convert to fraction form
    77,477.41/106,922.33 = 60,681.25/x
  3. Step 3: Cross multiply
    77,477.41x = 106,922.33 × 60,681.25
  4. Step 4: Simplify right side
    77,477.41x = 6,488,180,637.31
  5. Step 5: Solve for x
    x = 6,488,180,637.31/77,477.41
  6. Step 6: Final answer
    x = 83,742.87

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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.