Home / 123,779.16-185,659.56-39,535.92

Finding the Fourth Proportional to 123,779.16, 185,659.56 and 39,535.92

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Solution

The fourth proportional to 123,779.16, 185,659.56 and 39,535.92 is: 59,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,779.16 : 185,659.56 = 39,535.92 : x
  2. Step 2: Convert to fraction form
    123,779.16/185,659.56 = 39,535.92/x
  3. Step 3: Cross multiply
    123,779.16x = 185,659.56 × 39,535.92
  4. Step 4: Simplify right side
    123,779.16x = 7,340,221,511.40
  5. Step 5: Solve for x
    x = 7,340,221,511.40/123,779.16
  6. Step 6: Final answer
    x = 59,300.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.