Home / 57,274.04-79,098.24-39,415.16

Finding the Fourth Proportional to 57,274.04, 79,098.24 and 39,415.16

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Solution

The fourth proportional to 57,274.04, 79,098.24 and 39,415.16 is: 54,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.04 : 79,098.24 = 39,415.16 : x
  2. Step 2: Convert to fraction form
    57,274.04/79,098.24 = 39,415.16/x
  3. Step 3: Cross multiply
    57,274.04x = 79,098.24 × 39,415.16
  4. Step 4: Simplify right side
    57,274.04x = 3,117,669,785.32
  5. Step 5: Solve for x
    x = 3,117,669,785.32/57,274.04
  6. Step 6: Final answer
    x = 54,434.26

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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.