Home / 66,780.14-92,153.70-36,564.90

Finding the Fourth Proportional to 66,780.14, 92,153.70 and 36,564.90

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Solution

The fourth proportional to 66,780.14, 92,153.70 and 36,564.90 is: 50,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.14 : 92,153.70 = 36,564.90 : x
  2. Step 2: Convert to fraction form
    66,780.14/92,153.70 = 36,564.90/x
  3. Step 3: Cross multiply
    66,780.14x = 92,153.70 × 36,564.90
  4. Step 4: Simplify right side
    66,780.14x = 3,369,590,825.13
  5. Step 5: Solve for x
    x = 3,369,590,825.13/66,780.14
  6. Step 6: Final answer
    x = 50,457.98

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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.