Home / 74,529.76-102,852.68-40,995.76

Finding the Fourth Proportional to 74,529.76, 102,852.68 and 40,995.76

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Solution

The fourth proportional to 74,529.76, 102,852.68 and 40,995.76 is: 56,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.76 : 102,852.68 = 40,995.76 : x
  2. Step 2: Convert to fraction form
    74,529.76/102,852.68 = 40,995.76/x
  3. Step 3: Cross multiply
    74,529.76x = 102,852.68 × 40,995.76
  4. Step 4: Simplify right side
    74,529.76x = 4,216,523,784.64
  5. Step 5: Solve for x
    x = 4,216,523,784.64/74,529.76
  6. Step 6: Final answer
    x = 56,575.04

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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.