Home / 55,866.96-77,033.28-40,732.92

Finding the Fourth Proportional to 55,866.96, 77,033.28 and 40,732.92

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Solution

The fourth proportional to 55,866.96, 77,033.28 and 40,732.92 is: 56,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.96 : 77,033.28 = 40,732.92 : x
  2. Step 2: Convert to fraction form
    55,866.96/77,033.28 = 40,732.92/x
  3. Step 3: Cross multiply
    55,866.96x = 77,033.28 × 40,732.92
  4. Step 4: Simplify right side
    55,866.96x = 3,137,790,431.58
  5. Step 5: Solve for x
    x = 3,137,790,431.58/55,866.96
  6. Step 6: Final answer
    x = 56,165.40

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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.