Home / 45,775.12-68,686.22-34,678.12

Finding the Fourth Proportional to 45,775.12, 68,686.22 and 34,678.12

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Solution

The fourth proportional to 45,775.12, 68,686.22 and 34,678.12 is: 52,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,775.12 : 68,686.22 = 34,678.12 : x
  2. Step 2: Convert to fraction form
    45,775.12/68,686.22 = 34,678.12/x
  3. Step 3: Cross multiply
    45,775.12x = 68,686.22 × 34,678.12
  4. Step 4: Simplify right side
    45,775.12x = 2,381,908,979.51
  5. Step 5: Solve for x
    x = 2,381,908,979.51/45,775.12
  6. Step 6: Final answer
    x = 52,035.01

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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.