Home / 54,930.06-75,803.58-31,056.84

Finding the Fourth Proportional to 54,930.06, 75,803.58 and 31,056.84

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Solution

The fourth proportional to 54,930.06, 75,803.58 and 31,056.84 is: 42,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.06 : 75,803.58 = 31,056.84 : x
  2. Step 2: Convert to fraction form
    54,930.06/75,803.58 = 31,056.84/x
  3. Step 3: Cross multiply
    54,930.06x = 75,803.58 × 31,056.84
  4. Step 4: Simplify right side
    54,930.06x = 2,354,219,655.49
  5. Step 5: Solve for x
    x = 2,354,219,655.49/54,930.06
  6. Step 6: Final answer
    x = 42,858.49

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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.