Home / 57,266.04-79,087.20-39,407.16

Finding the Fourth Proportional to 57,266.04, 79,087.20 and 39,407.16

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Solution

The fourth proportional to 57,266.04, 79,087.20 and 39,407.16 is: 54,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.04 : 79,087.20 = 39,407.16 : x
  2. Step 2: Convert to fraction form
    57,266.04/79,087.20 = 39,407.16/x
  3. Step 3: Cross multiply
    57,266.04x = 79,087.20 × 39,407.16
  4. Step 4: Simplify right side
    57,266.04x = 3,116,601,944.35
  5. Step 5: Solve for x
    x = 3,116,601,944.35/57,266.04
  6. Step 6: Final answer
    x = 54,423.21

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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.