Home / 56,049.01-77,348.23-30,899.41

Finding the Fourth Proportional to 56,049.01, 77,348.23 and 30,899.41

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Solution

The fourth proportional to 56,049.01, 77,348.23 and 30,899.41 is: 42,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.01 : 77,348.23 = 30,899.41 : x
  2. Step 2: Convert to fraction form
    56,049.01/77,348.23 = 30,899.41/x
  3. Step 3: Cross multiply
    56,049.01x = 77,348.23 × 30,899.41
  4. Step 4: Simplify right side
    56,049.01x = 2,390,014,671.54
  5. Step 5: Solve for x
    x = 2,390,014,671.54/56,049.01
  6. Step 6: Final answer
    x = 42,641.51

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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.