Home / 55,567.09-76,681.80-31,694.16

Finding the Fourth Proportional to 55,567.09, 76,681.80 and 31,694.16

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Solution

The fourth proportional to 55,567.09, 76,681.80 and 31,694.16 is: 43,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567.09 : 76,681.80 = 31,694.16 : x
  2. Step 2: Convert to fraction form
    55,567.09/76,681.80 = 31,694.16/x
  3. Step 3: Cross multiply
    55,567.09x = 76,681.80 × 31,694.16
  4. Step 4: Simplify right side
    55,567.09x = 2,430,365,238.29
  5. Step 5: Solve for x
    x = 2,430,365,238.29/55,567.09
  6. Step 6: Final answer
    x = 43,737.49

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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.