Home / 54,188.13-74,779.71-30,315.27

Finding the Fourth Proportional to 54,188.13, 74,779.71 and 30,315.27

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Solution

The fourth proportional to 54,188.13, 74,779.71 and 30,315.27 is: 41,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.13 : 74,779.71 = 30,315.27 : x
  2. Step 2: Convert to fraction form
    54,188.13/74,779.71 = 30,315.27/x
  3. Step 3: Cross multiply
    54,188.13x = 74,779.71 × 30,315.27
  4. Step 4: Simplify right side
    54,188.13x = 2,266,967,099.17
  5. Step 5: Solve for x
    x = 2,266,967,099.17/54,188.13
  6. Step 6: Final answer
    x = 41,835.12

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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.