Home / 54,975.01-75,861.80-30,444.06

Finding the Fourth Proportional to 54,975.01, 75,861.80 and 30,444.06

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Solution

The fourth proportional to 54,975.01, 75,861.80 and 30,444.06 is: 42,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.01 : 75,861.80 = 30,444.06 : x
  2. Step 2: Convert to fraction form
    54,975.01/75,861.80 = 30,444.06/x
  3. Step 3: Cross multiply
    54,975.01x = 75,861.80 × 30,444.06
  4. Step 4: Simplify right side
    54,975.01x = 2,309,541,267.02
  5. Step 5: Solve for x
    x = 2,309,541,267.02/54,975.01
  6. Step 6: Final answer
    x = 42,010.75

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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.