Home / 57,014.96-78,682.28-31,863.92

Finding the Fourth Proportional to 57,014.96, 78,682.28 and 31,863.92

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Solution

The fourth proportional to 57,014.96, 78,682.28 and 31,863.92 is: 43,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.96 : 78,682.28 = 31,863.92 : x
  2. Step 2: Convert to fraction form
    57,014.96/78,682.28 = 31,863.92/x
  3. Step 3: Cross multiply
    57,014.96x = 78,682.28 × 31,863.92
  4. Step 4: Simplify right side
    57,014.96x = 2,507,125,875.34
  5. Step 5: Solve for x
    x = 2,507,125,875.34/57,014.96
  6. Step 6: Final answer
    x = 43,973.12

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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.