Home / 56,986.81-78,633.48-35,772.91

Finding the Fourth Proportional to 56,986.81, 78,633.48 and 35,772.91

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Solution

The fourth proportional to 56,986.81, 78,633.48 and 35,772.91 is: 49,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.81 : 78,633.48 = 35,772.91 : x
  2. Step 2: Convert to fraction form
    56,986.81/78,633.48 = 35,772.91/x
  3. Step 3: Cross multiply
    56,986.81x = 78,633.48 × 35,772.91
  4. Step 4: Simplify right side
    56,986.81x = 2,812,948,340.59
  5. Step 5: Solve for x
    x = 2,812,948,340.59/56,986.81
  6. Step 6: Final answer
    x = 49,361.40

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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.