Home / 57,457.92-79,252.95-37,278.75

Finding the Fourth Proportional to 57,457.92, 79,252.95 and 37,278.75

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Solution

The fourth proportional to 57,457.92, 79,252.95 and 37,278.75 is: 51,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.92 : 79,252.95 = 37,278.75 : x
  2. Step 2: Convert to fraction form
    57,457.92/79,252.95 = 37,278.75/x
  3. Step 3: Cross multiply
    57,457.92x = 79,252.95 × 37,278.75
  4. Step 4: Simplify right side
    57,457.92x = 2,954,450,909.81
  5. Step 5: Solve for x
    x = 2,954,450,909.81/57,457.92
  6. Step 6: Final answer
    x = 51,419.39

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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.