Home / 74,675.99-112,001.83-30,300.95

Finding the Fourth Proportional to 74,675.99, 112,001.83 and 30,300.95

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Solution

The fourth proportional to 74,675.99, 112,001.83 and 30,300.95 is: 45,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.99 : 112,001.83 = 30,300.95 : x
  2. Step 2: Convert to fraction form
    74,675.99/112,001.83 = 30,300.95/x
  3. Step 3: Cross multiply
    74,675.99x = 112,001.83 × 30,300.95
  4. Step 4: Simplify right side
    74,675.99x = 3,393,761,214.98
  5. Step 5: Solve for x
    x = 3,393,761,214.98/74,675.99
  6. Step 6: Final answer
    x = 45,446.49

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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.