Home / 55,088.64-82,643.90-20,023.74

Finding the Fourth Proportional to 55,088.64, 82,643.90 and 20,023.74

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Solution

The fourth proportional to 55,088.64, 82,643.90 and 20,023.74 is: 30,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.64 : 82,643.90 = 20,023.74 : x
  2. Step 2: Convert to fraction form
    55,088.64/82,643.90 = 20,023.74/x
  3. Step 3: Cross multiply
    55,088.64x = 82,643.90 × 20,023.74
  4. Step 4: Simplify right side
    55,088.64x = 1,654,839,866.07
  5. Step 5: Solve for x
    x = 1,654,839,866.07/55,088.64
  6. Step 6: Final answer
    x = 30,039.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.