Home / 54,779.07-75,595.14-30,905.94

Finding the Fourth Proportional to 54,779.07, 75,595.14 and 30,905.94

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Solution

The fourth proportional to 54,779.07, 75,595.14 and 30,905.94 is: 42,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.07 : 75,595.14 = 30,905.94 : x
  2. Step 2: Convert to fraction form
    54,779.07/75,595.14 = 30,905.94/x
  3. Step 3: Cross multiply
    54,779.07x = 75,595.14 × 30,905.94
  4. Step 4: Simplify right side
    54,779.07x = 2,336,338,861.13
  5. Step 5: Solve for x
    x = 2,336,338,861.13/54,779.07
  6. Step 6: Final answer
    x = 42,650.21

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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.