Home / 54,842.16-75,685.14-30,969.84

Finding the Fourth Proportional to 54,842.16, 75,685.14 and 30,969.84

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Solution

The fourth proportional to 54,842.16, 75,685.14 and 30,969.84 is: 42,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.16 : 75,685.14 = 30,969.84 : x
  2. Step 2: Convert to fraction form
    54,842.16/75,685.14 = 30,969.84/x
  3. Step 3: Cross multiply
    54,842.16x = 75,685.14 × 30,969.84
  4. Step 4: Simplify right side
    54,842.16x = 2,343,956,676.18
  5. Step 5: Solve for x
    x = 2,343,956,676.18/54,842.16
  6. Step 6: Final answer
    x = 42,740.05

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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.