Home / 57,056.12-78,710.92-36,919.48

Finding the Fourth Proportional to 57,056.12, 78,710.92 and 36,919.48

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Solution

The fourth proportional to 57,056.12, 78,710.92 and 36,919.48 is: 50,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.12 : 78,710.92 = 36,919.48 : x
  2. Step 2: Convert to fraction form
    57,056.12/78,710.92 = 36,919.48/x
  3. Step 3: Cross multiply
    57,056.12x = 78,710.92 × 36,919.48
  4. Step 4: Simplify right side
    57,056.12x = 2,905,966,236.72
  5. Step 5: Solve for x
    x = 2,905,966,236.72/57,056.12
  6. Step 6: Final answer
    x = 50,931.72

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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.