Home / 66,999.09-92,459.79-36,787.13

Finding the Fourth Proportional to 66,999.09, 92,459.79 and 36,787.13

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Solution

The fourth proportional to 66,999.09, 92,459.79 and 36,787.13 is: 50,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,999.09 : 92,459.79 = 36,787.13 : x
  2. Step 2: Convert to fraction form
    66,999.09/92,459.79 = 36,787.13/x
  3. Step 3: Cross multiply
    66,999.09x = 92,459.79 × 36,787.13
  4. Step 4: Simplify right side
    66,999.09x = 3,401,329,852.20
  5. Step 5: Solve for x
    x = 3,401,329,852.20/66,999.09
  6. Step 6: Final answer
    x = 50,766.81

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1.5x scale

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.