Home / 54,562.08-75,294.96-30,688.68

Finding the Fourth Proportional to 54,562.08, 75,294.96 and 30,688.68

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Solution

The fourth proportional to 54,562.08, 75,294.96 and 30,688.68 is: 42,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,562.08 : 75,294.96 = 30,688.68 : x
  2. Step 2: Convert to fraction form
    54,562.08/75,294.96 = 30,688.68/x
  3. Step 3: Cross multiply
    54,562.08x = 75,294.96 × 30,688.68
  4. Step 4: Simplify right side
    54,562.08x = 2,310,702,933.05
  5. Step 5: Solve for x
    x = 2,310,702,933.05/54,562.08
  6. Step 6: Final answer
    x = 42,349.98

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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.