Home / 75,203.76-112,779.68-30,817.92

Finding the Fourth Proportional to 75,203.76, 112,779.68 and 30,817.92

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Solution

The fourth proportional to 75,203.76, 112,779.68 and 30,817.92 is: 46,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,203.76 : 112,779.68 = 30,817.92 : x
  2. Step 2: Convert to fraction form
    75,203.76/112,779.68 = 30,817.92/x
  3. Step 3: Cross multiply
    75,203.76x = 112,779.68 × 30,817.92
  4. Step 4: Simplify right side
    75,203.76x = 3,475,635,155.87
  5. Step 5: Solve for x
    x = 3,475,635,155.87/75,203.76
  6. Step 6: Final answer
    x = 46,216.24

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1.5x scale

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.