Home / 91,732.24-126,536.79-57,686.80

Finding the Fourth Proportional to 91,732.24, 126,536.79 and 57,686.80

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Solution

The fourth proportional to 91,732.24, 126,536.79 and 57,686.80 is: 79,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,732.24 : 126,536.79 = 57,686.80 : x
  2. Step 2: Convert to fraction form
    91,732.24/126,536.79 = 57,686.80/x
  3. Step 3: Cross multiply
    91,732.24x = 126,536.79 × 57,686.80
  4. Step 4: Simplify right side
    91,732.24x = 7,299,502,497.37
  5. Step 5: Solve for x
    x = 7,299,502,497.37/91,732.24
  6. Step 6: Final answer
    x = 79,574.01

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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.