Home / 91,026.09-136,489.68-41,047.68

Finding the Fourth Proportional to 91,026.09, 136,489.68 and 41,047.68

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Solution

The fourth proportional to 91,026.09, 136,489.68 and 41,047.68 is: 61,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,026.09 : 136,489.68 = 41,047.68 : x
  2. Step 2: Convert to fraction form
    91,026.09/136,489.68 = 41,047.68/x
  3. Step 3: Cross multiply
    91,026.09x = 136,489.68 × 41,047.68
  4. Step 4: Simplify right side
    91,026.09x = 5,602,584,707.94
  5. Step 5: Solve for x
    x = 5,602,584,707.94/91,026.09
  6. Step 6: Final answer
    x = 61,549.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.