Home / 54,897.20-82,343.64-38,209.04

Finding the Fourth Proportional to 54,897.20, 82,343.64 and 38,209.04

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Solution

The fourth proportional to 54,897.20, 82,343.64 and 38,209.04 is: 57,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.20 : 82,343.64 = 38,209.04 : x
  2. Step 2: Convert to fraction form
    54,897.20/82,343.64 = 38,209.04/x
  3. Step 3: Cross multiply
    54,897.20x = 82,343.64 × 38,209.04
  4. Step 4: Simplify right side
    54,897.20x = 3,146,271,434.51
  5. Step 5: Solve for x
    x = 3,146,271,434.51/54,897.20
  6. Step 6: Final answer
    x = 57,312.06

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1.5x scale

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.