Home / 57,808.45-86,601.30-31,088.98

Finding the Fourth Proportional to 57,808.45, 86,601.30 and 31,088.98

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Solution

The fourth proportional to 57,808.45, 86,601.30 and 31,088.98 is: 46,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.45 : 86,601.30 = 31,088.98 : x
  2. Step 2: Convert to fraction form
    57,808.45/86,601.30 = 31,088.98/x
  3. Step 3: Cross multiply
    57,808.45x = 86,601.30 × 31,088.98
  4. Step 4: Simplify right side
    57,808.45x = 2,692,346,083.67
  5. Step 5: Solve for x
    x = 2,692,346,083.67/57,808.45
  6. Step 6: Final answer
    x = 46,573.57

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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.