Home / 57,140.52-78,844.55-35,904.75

Finding the Fourth Proportional to 57,140.52, 78,844.55 and 35,904.75

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Solution

The fourth proportional to 57,140.52, 78,844.55 and 35,904.75 is: 49,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.52 : 78,844.55 = 35,904.75 : x
  2. Step 2: Convert to fraction form
    57,140.52/78,844.55 = 35,904.75/x
  3. Step 3: Cross multiply
    57,140.52x = 78,844.55 × 35,904.75
  4. Step 4: Simplify right side
    57,140.52x = 2,830,893,677.09
  5. Step 5: Solve for x
    x = 2,830,893,677.09/57,140.52
  6. Step 6: Final answer
    x = 49,542.67

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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.