Home / 57,076.17-78,765.53-34,410.64

Finding the Fourth Proportional to 57,076.17, 78,765.53 and 34,410.64

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Solution

The fourth proportional to 57,076.17, 78,765.53 and 34,410.64 is: 47,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.17 : 78,765.53 = 34,410.64 : x
  2. Step 2: Convert to fraction form
    57,076.17/78,765.53 = 34,410.64/x
  3. Step 3: Cross multiply
    57,076.17x = 78,765.53 × 34,410.64
  4. Step 4: Simplify right side
    57,076.17x = 2,710,372,297.24
  5. Step 5: Solve for x
    x = 2,710,372,297.24/57,076.17
  6. Step 6: Final answer
    x = 47,486.93

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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.