Home / 77,245.25-106,646.63-59,304.56

Finding the Fourth Proportional to 77,245.25, 106,646.63 and 59,304.56

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Solution

The fourth proportional to 77,245.25, 106,646.63 and 59,304.56 is: 81,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245.25 : 106,646.63 = 59,304.56 : x
  2. Step 2: Convert to fraction form
    77,245.25/106,646.63 = 59,304.56/x
  3. Step 3: Cross multiply
    77,245.25x = 106,646.63 × 59,304.56
  4. Step 4: Simplify right side
    77,245.25x = 6,324,630,637.88
  5. Step 5: Solve for x
    x = 6,324,630,637.88/77,245.25
  6. Step 6: Final answer
    x = 81,877.28

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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.