Home / 74,615.33-102,970.44-40,624.80

Finding the Fourth Proportional to 74,615.33, 102,970.44 and 40,624.80

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Solution

The fourth proportional to 74,615.33, 102,970.44 and 40,624.80 is: 56,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.33 : 102,970.44 = 40,624.80 : x
  2. Step 2: Convert to fraction form
    74,615.33/102,970.44 = 40,624.80/x
  3. Step 3: Cross multiply
    74,615.33x = 102,970.44 × 40,624.80
  4. Step 4: Simplify right side
    74,615.33x = 4,183,153,530.91
  5. Step 5: Solve for x
    x = 4,183,153,530.91/74,615.33
  6. Step 6: Final answer
    x = 56,062.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.