Home / 55,697.14-76,863.81-30,548.98

Finding the Fourth Proportional to 55,697.14, 76,863.81 and 30,548.98

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Solution

The fourth proportional to 55,697.14, 76,863.81 and 30,548.98 is: 42,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,697.14 : 76,863.81 = 30,548.98 : x
  2. Step 2: Convert to fraction form
    55,697.14/76,863.81 = 30,548.98/x
  3. Step 3: Cross multiply
    55,697.14x = 76,863.81 × 30,548.98
  4. Step 4: Simplify right side
    55,697.14x = 2,348,110,994.41
  5. Step 5: Solve for x
    x = 2,348,110,994.41/55,697.14
  6. Step 6: Final answer
    x = 42,158.56

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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.