Home / 55,557.28-76,481.04-42,958.24

Finding the Fourth Proportional to 55,557.28, 76,481.04 and 42,958.24

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Solution

The fourth proportional to 55,557.28, 76,481.04 and 42,958.24 is: 59,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.28 : 76,481.04 = 42,958.24 : x
  2. Step 2: Convert to fraction form
    55,557.28/76,481.04 = 42,958.24/x
  3. Step 3: Cross multiply
    55,557.28x = 76,481.04 × 42,958.24
  4. Step 4: Simplify right side
    55,557.28x = 3,285,490,871.77
  5. Step 5: Solve for x
    x = 3,285,490,871.77/55,557.28
  6. Step 6: Final answer
    x = 59,137.00

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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.