Home / 57,417.13-79,274.31-51,348.55

Finding the Fourth Proportional to 57,417.13, 79,274.31 and 51,348.55

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Solution

The fourth proportional to 57,417.13, 79,274.31 and 51,348.55 is: 70,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,417.13 : 79,274.31 = 51,348.55 : x
  2. Step 2: Convert to fraction form
    57,417.13/79,274.31 = 51,348.55/x
  3. Step 3: Cross multiply
    57,417.13x = 79,274.31 × 51,348.55
  4. Step 4: Simplify right side
    57,417.13x = 4,070,620,870.75
  5. Step 5: Solve for x
    x = 4,070,620,870.75/57,417.13
  6. Step 6: Final answer
    x = 70,895.58

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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.