Home / 66,330.20-91,537.43-36,116.80

Finding the Fourth Proportional to 66,330.20, 91,537.43 and 36,116.80

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Solution

The fourth proportional to 66,330.20, 91,537.43 and 36,116.80 is: 49,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.20 : 91,537.43 = 36,116.80 : x
  2. Step 2: Convert to fraction form
    66,330.20/91,537.43 = 36,116.80/x
  3. Step 3: Cross multiply
    66,330.20x = 91,537.43 × 36,116.80
  4. Step 4: Simplify right side
    66,330.20x = 3,306,038,642.40
  5. Step 5: Solve for x
    x = 3,306,038,642.40/66,330.20
  6. Step 6: Final answer
    x = 49,842.13

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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.