Home / 91,668.41-126,502.26-55,858.51

Finding the Fourth Proportional to 91,668.41, 126,502.26 and 55,858.51

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Solution

The fourth proportional to 91,668.41, 126,502.26 and 55,858.51 is: 77,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,668.41 : 126,502.26 = 55,858.51 : x
  2. Step 2: Convert to fraction form
    91,668.41/126,502.26 = 55,858.51/x
  3. Step 3: Cross multiply
    91,668.41x = 126,502.26 × 55,858.51
  4. Step 4: Simplify right side
    91,668.41x = 7,066,227,703.89
  5. Step 5: Solve for x
    x = 7,066,227,703.89/91,668.41
  6. Step 6: Final answer
    x = 77,084.66

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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.