Home / 57,015.29-78,693.59-33,155.73

Finding the Fourth Proportional to 57,015.29, 78,693.59 and 33,155.73

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Solution

The fourth proportional to 57,015.29, 78,693.59 and 33,155.73 is: 45,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.29 : 78,693.59 = 33,155.73 : x
  2. Step 2: Convert to fraction form
    57,015.29/78,693.59 = 33,155.73/x
  3. Step 3: Cross multiply
    57,015.29x = 78,693.59 × 33,155.73
  4. Step 4: Simplify right side
    57,015.29x = 2,609,142,863.52
  5. Step 5: Solve for x
    x = 2,609,142,863.52/57,015.29
  6. Step 6: Final answer
    x = 45,762.16

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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.