Home / 45,770.64-62,920.48-39,373.76

Finding the Fourth Proportional to 45,770.64, 62,920.48 and 39,373.76

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Solution

The fourth proportional to 45,770.64, 62,920.48 and 39,373.76 is: 54,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.64 : 62,920.48 = 39,373.76 : x
  2. Step 2: Convert to fraction form
    45,770.64/62,920.48 = 39,373.76/x
  3. Step 3: Cross multiply
    45,770.64x = 62,920.48 × 39,373.76
  4. Step 4: Simplify right side
    45,770.64x = 2,477,415,878.60
  5. Step 5: Solve for x
    x = 2,477,415,878.60/45,770.64
  6. Step 6: Final answer
    x = 54,126.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.