Home / 56,743.13-78,314.85-43,288.98

Finding the Fourth Proportional to 56,743.13, 78,314.85 and 43,288.98

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Solution

The fourth proportional to 56,743.13, 78,314.85 and 43,288.98 is: 59,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.13 : 78,314.85 = 43,288.98 : x
  2. Step 2: Convert to fraction form
    56,743.13/78,314.85 = 43,288.98/x
  3. Step 3: Cross multiply
    56,743.13x = 78,314.85 × 43,288.98
  4. Step 4: Simplify right side
    56,743.13x = 3,390,169,975.35
  5. Step 5: Solve for x
    x = 3,390,169,975.35/56,743.13
  6. Step 6: Final answer
    x = 59,745.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.