Home / 66,502.36-91,726.20-39,624.16

Finding the Fourth Proportional to 66,502.36, 91,726.20 and 39,624.16

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Solution

The fourth proportional to 66,502.36, 91,726.20 and 39,624.16 is: 54,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502.36 : 91,726.20 = 39,624.16 : x
  2. Step 2: Convert to fraction form
    66,502.36/91,726.20 = 39,624.16/x
  3. Step 3: Cross multiply
    66,502.36x = 91,726.20 × 39,624.16
  4. Step 4: Simplify right side
    66,502.36x = 3,634,573,624.99
  5. Step 5: Solve for x
    x = 3,634,573,624.99/66,502.36
  6. Step 6: Final answer
    x = 54,653.30

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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.