Home / 74,493.40-111,740.10-44,555.80

Finding the Fourth Proportional to 74,493.40, 111,740.10 and 44,555.80

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Solution

The fourth proportional to 74,493.40, 111,740.10 and 44,555.80 is: 66,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.40 : 111,740.10 = 44,555.80 : x
  2. Step 2: Convert to fraction form
    74,493.40/111,740.10 = 44,555.80/x
  3. Step 3: Cross multiply
    74,493.40x = 111,740.10 × 44,555.80
  4. Step 4: Simplify right side
    74,493.40x = 4,978,669,547.58
  5. Step 5: Solve for x
    x = 4,978,669,547.58/74,493.40
  6. Step 6: Final answer
    x = 66,833.70

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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.