Home / 75,003.30-112,430.97-30,602.34

Finding the Fourth Proportional to 75,003.30, 112,430.97 and 30,602.34

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Solution

The fourth proportional to 75,003.30, 112,430.97 and 30,602.34 is: 45,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.30 : 112,430.97 = 30,602.34 : x
  2. Step 2: Convert to fraction form
    75,003.30/112,430.97 = 30,602.34/x
  3. Step 3: Cross multiply
    75,003.30x = 112,430.97 × 30,602.34
  4. Step 4: Simplify right side
    75,003.30x = 3,440,650,770.47
  5. Step 5: Solve for x
    x = 3,440,650,770.47/75,003.30
  6. Step 6: Final answer
    x = 45,873.33

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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.