Home / 56,167.49-77,511.30-30,674.06

Finding the Fourth Proportional to 56,167.49, 77,511.30 and 30,674.06

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Solution

The fourth proportional to 56,167.49, 77,511.30 and 30,674.06 is: 42,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167.49 : 77,511.30 = 30,674.06 : x
  2. Step 2: Convert to fraction form
    56,167.49/77,511.30 = 30,674.06/x
  3. Step 3: Cross multiply
    56,167.49x = 77,511.30 × 30,674.06
  4. Step 4: Simplify right side
    56,167.49x = 2,377,586,054.96
  5. Step 5: Solve for x
    x = 2,377,586,054.96/56,167.49
  6. Step 6: Final answer
    x = 42,330.29

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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.