Home / 57,405.17-79,199.55-35,880.23

Finding the Fourth Proportional to 57,405.17, 79,199.55 and 35,880.23

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Solution

The fourth proportional to 57,405.17, 79,199.55 and 35,880.23 is: 49,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,405.17 : 79,199.55 = 35,880.23 : x
  2. Step 2: Convert to fraction form
    57,405.17/79,199.55 = 35,880.23/x
  3. Step 3: Cross multiply
    57,405.17x = 79,199.55 × 35,880.23
  4. Step 4: Simplify right side
    57,405.17x = 2,841,697,673.90
  5. Step 5: Solve for x
    x = 2,841,697,673.90/57,405.17
  6. Step 6: Final answer
    x = 49,502.47

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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.