Home / 56,950.16-78,584.48-31,455.01

Finding the Fourth Proportional to 56,950.16, 78,584.48 and 31,455.01

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Solution

The fourth proportional to 56,950.16, 78,584.48 and 31,455.01 is: 43,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,950.16 : 78,584.48 = 31,455.01 : x
  2. Step 2: Convert to fraction form
    56,950.16/78,584.48 = 31,455.01/x
  3. Step 3: Cross multiply
    56,950.16x = 78,584.48 × 31,455.01
  4. Step 4: Simplify right side
    56,950.16x = 2,471,875,604.24
  5. Step 5: Solve for x
    x = 2,471,875,604.24/56,950.16
  6. Step 6: Final answer
    x = 43,404.19

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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.