Home / 75,210.75-112,779.27-30,825.45

Finding the Fourth Proportional to 75,210.75, 112,779.27 and 30,825.45

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Solution

The fourth proportional to 75,210.75, 112,779.27 and 30,825.45 is: 46,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,210.75 : 112,779.27 = 30,825.45 : x
  2. Step 2: Convert to fraction form
    75,210.75/112,779.27 = 30,825.45/x
  3. Step 3: Cross multiply
    75,210.75x = 112,779.27 × 30,825.45
  4. Step 4: Simplify right side
    75,210.75x = 3,476,471,748.42
  5. Step 5: Solve for x
    x = 3,476,471,748.42/75,210.75
  6. Step 6: Final answer
    x = 46,223.07

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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.