Home / 52,977.83-73,109.95-28,779.03

Finding the Fourth Proportional to 52,977.83, 73,109.95 and 28,779.03

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Solution

The fourth proportional to 52,977.83, 73,109.95 and 28,779.03 is: 39,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,977.83 : 73,109.95 = 28,779.03 : x
  2. Step 2: Convert to fraction form
    52,977.83/73,109.95 = 28,779.03/x
  3. Step 3: Cross multiply
    52,977.83x = 73,109.95 × 28,779.03
  4. Step 4: Simplify right side
    52,977.83x = 2,104,033,372.40
  5. Step 5: Solve for x
    x = 2,104,033,372.40/52,977.83
  6. Step 6: Final answer
    x = 39,715.36

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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.