Home / 66,535.12-91,814.96-36,314.58

Finding the Fourth Proportional to 66,535.12, 91,814.96 and 36,314.58

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Solution

The fourth proportional to 66,535.12, 91,814.96 and 36,314.58 is: 50,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.12 : 91,814.96 = 36,314.58 : x
  2. Step 2: Convert to fraction form
    66,535.12/91,814.96 = 36,314.58/x
  3. Step 3: Cross multiply
    66,535.12x = 91,814.96 × 36,314.58
  4. Step 4: Simplify right side
    66,535.12x = 3,334,221,341.83
  5. Step 5: Solve for x
    x = 3,334,221,341.83/66,535.12
  6. Step 6: Final answer
    x = 50,112.20

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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.