Home / 45,795.56-68,603.90-31,561.51

Finding the Fourth Proportional to 45,795.56, 68,603.90 and 31,561.51

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Solution

The fourth proportional to 45,795.56, 68,603.90 and 31,561.51 is: 47,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,795.56 : 68,603.90 = 31,561.51 : x
  2. Step 2: Convert to fraction form
    45,795.56/68,603.90 = 31,561.51/x
  3. Step 3: Cross multiply
    45,795.56x = 68,603.90 × 31,561.51
  4. Step 4: Simplify right side
    45,795.56x = 2,165,242,675.89
  5. Step 5: Solve for x
    x = 2,165,242,675.89/45,795.56
  6. Step 6: Final answer
    x = 47,280.62

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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.