Home / 55,157.40-82,770.12-25,569.72

Finding the Fourth Proportional to 55,157.40, 82,770.12 and 25,569.72

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Solution

The fourth proportional to 55,157.40, 82,770.12 and 25,569.72 is: 38,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.40 : 82,770.12 = 25,569.72 : x
  2. Step 2: Convert to fraction form
    55,157.40/82,770.12 = 25,569.72/x
  3. Step 3: Cross multiply
    55,157.40x = 82,770.12 × 25,569.72
  4. Step 4: Simplify right side
    55,157.40x = 2,116,408,792.77
  5. Step 5: Solve for x
    x = 2,116,408,792.77/55,157.40
  6. Step 6: Final answer
    x = 38,370.35

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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.