Home / 55,370.16-83,115.42-51,389.82

Finding the Fourth Proportional to 55,370.16, 83,115.42 and 51,389.82

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Solution

The fourth proportional to 55,370.16, 83,115.42 and 51,389.82 is: 77,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,370.16 : 83,115.42 = 51,389.82 : x
  2. Step 2: Convert to fraction form
    55,370.16/83,115.42 = 51,389.82/x
  3. Step 3: Cross multiply
    55,370.16x = 83,115.42 × 51,389.82
  4. Step 4: Simplify right side
    55,370.16x = 4,271,286,473.02
  5. Step 5: Solve for x
    x = 4,271,286,473.02/55,370.16
  6. Step 6: Final answer
    x = 77,140.58

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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.