Home / 75,430.38-112,973.22-36,015.09

Finding the Fourth Proportional to 75,430.38, 112,973.22 and 36,015.09

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Solution

The fourth proportional to 75,430.38, 112,973.22 and 36,015.09 is: 53,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.38 : 112,973.22 = 36,015.09 : x
  2. Step 2: Convert to fraction form
    75,430.38/112,973.22 = 36,015.09/x
  3. Step 3: Cross multiply
    75,430.38x = 112,973.22 × 36,015.09
  4. Step 4: Simplify right side
    75,430.38x = 4,068,740,685.89
  5. Step 5: Solve for x
    x = 4,068,740,685.89/75,430.38
  6. Step 6: Final answer
    x = 53,940.34

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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.