Home / 74,714.95-112,102.46-30,345.18

Finding the Fourth Proportional to 74,714.95, 112,102.46 and 30,345.18

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Solution

The fourth proportional to 74,714.95, 112,102.46 and 30,345.18 is: 45,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714.95 : 112,102.46 = 30,345.18 : x
  2. Step 2: Convert to fraction form
    74,714.95/112,102.46 = 30,345.18/x
  3. Step 3: Cross multiply
    74,714.95x = 112,102.46 × 30,345.18
  4. Step 4: Simplify right side
    74,714.95x = 3,401,769,327.14
  5. Step 5: Solve for x
    x = 3,401,769,327.14/74,714.95
  6. Step 6: Final answer
    x = 45,529.97

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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.