Home / 55,037.46-75,950.16-31,166.40

Finding the Fourth Proportional to 55,037.46, 75,950.16 and 31,166.40

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Solution

The fourth proportional to 55,037.46, 75,950.16 and 31,166.40 is: 43,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.46 : 75,950.16 = 31,166.40 : x
  2. Step 2: Convert to fraction form
    55,037.46/75,950.16 = 31,166.40/x
  3. Step 3: Cross multiply
    55,037.46x = 75,950.16 × 31,166.40
  4. Step 4: Simplify right side
    55,037.46x = 2,367,093,066.62
  5. Step 5: Solve for x
    x = 2,367,093,066.62/55,037.46
  6. Step 6: Final answer
    x = 43,008.76

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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.