Home / 57,723.95-86,590.89-15,603.84

Finding the Fourth Proportional to 57,723.95, 86,590.89 and 15,603.84

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Solution

The fourth proportional to 57,723.95, 86,590.89 and 15,603.84 is: 23,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.95 : 86,590.89 = 15,603.84 : x
  2. Step 2: Convert to fraction form
    57,723.95/86,590.89 = 15,603.84/x
  3. Step 3: Cross multiply
    57,723.95x = 86,590.89 × 15,603.84
  4. Step 4: Simplify right side
    57,723.95x = 1,351,150,393.02
  5. Step 5: Solve for x
    x = 1,351,150,393.02/57,723.95
  6. Step 6: Final answer
    x = 23,407.10

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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.