Home / 91,014.06-136,534.77-28,683.66

Finding the Fourth Proportional to 91,014.06, 136,534.77 and 28,683.66

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Solution

The fourth proportional to 91,014.06, 136,534.77 and 28,683.66 is: 43,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.06 : 136,534.77 = 28,683.66 : x
  2. Step 2: Convert to fraction form
    91,014.06/136,534.77 = 28,683.66/x
  3. Step 3: Cross multiply
    91,014.06x = 136,534.77 × 28,683.66
  4. Step 4: Simplify right side
    91,014.06x = 3,916,316,920.86
  5. Step 5: Solve for x
    x = 3,916,316,920.86/91,014.06
  6. Step 6: Final answer
    x = 43,029.80

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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.