Home / 56,078.34-77,387.81-30,584.22

Finding the Fourth Proportional to 56,078.34, 77,387.81 and 30,584.22

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Solution

The fourth proportional to 56,078.34, 77,387.81 and 30,584.22 is: 42,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.34 : 77,387.81 = 30,584.22 : x
  2. Step 2: Convert to fraction form
    56,078.34/77,387.81 = 30,584.22/x
  3. Step 3: Cross multiply
    56,078.34x = 77,387.81 × 30,584.22
  4. Step 4: Simplify right side
    56,078.34x = 2,366,845,653.44
  5. Step 5: Solve for x
    x = 2,366,845,653.44/56,078.34
  6. Step 6: Final answer
    x = 42,206.06

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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.