Home / 55,540.16-76,412.64-48,482.88

Finding the Fourth Proportional to 55,540.16, 76,412.64 and 48,482.88

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Solution

The fourth proportional to 55,540.16, 76,412.64 and 48,482.88 is: 66,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.16 : 76,412.64 = 48,482.88 : x
  2. Step 2: Convert to fraction form
    55,540.16/76,412.64 = 48,482.88/x
  3. Step 3: Cross multiply
    55,540.16x = 76,412.64 × 48,482.88
  4. Step 4: Simplify right side
    55,540.16x = 3,704,704,855.60
  5. Step 5: Solve for x
    x = 3,704,704,855.60/55,540.16
  6. Step 6: Final answer
    x = 66,703.17

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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.