Home / 75,211.20-112,595.40-55,577.34

Finding the Fourth Proportional to 75,211.20, 112,595.40 and 55,577.34

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Solution

The fourth proportional to 75,211.20, 112,595.40 and 55,577.34 is: 83,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.20 : 112,595.40 = 55,577.34 : x
  2. Step 2: Convert to fraction form
    75,211.20/112,595.40 = 55,577.34/x
  3. Step 3: Cross multiply
    75,211.20x = 112,595.40 × 55,577.34
  4. Step 4: Simplify right side
    75,211.20x = 6,257,752,828.24
  5. Step 5: Solve for x
    x = 6,257,752,828.24/75,211.20
  6. Step 6: Final answer
    x = 83,202.41

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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.