Home / 56,144.84-77,480.02-30,651.24

Finding the Fourth Proportional to 56,144.84, 77,480.02 and 30,651.24

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Solution

The fourth proportional to 56,144.84, 77,480.02 and 30,651.24 is: 42,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,144.84 : 77,480.02 = 30,651.24 : x
  2. Step 2: Convert to fraction form
    56,144.84/77,480.02 = 30,651.24/x
  3. Step 3: Cross multiply
    56,144.84x = 77,480.02 × 30,651.24
  4. Step 4: Simplify right side
    56,144.84x = 2,374,858,688.22
  5. Step 5: Solve for x
    x = 2,374,858,688.22/56,144.84
  6. Step 6: Final answer
    x = 42,298.79

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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.