Home / 43,125.75-64,423.35-31,177.44

Finding the Fourth Proportional to 43,125.75, 64,423.35 and 31,177.44

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Solution

The fourth proportional to 43,125.75, 64,423.35 and 31,177.44 is: 46,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.75 : 64,423.35 = 31,177.44 : x
  2. Step 2: Convert to fraction form
    43,125.75/64,423.35 = 31,177.44/x
  3. Step 3: Cross multiply
    43,125.75x = 64,423.35 × 31,177.44
  4. Step 4: Simplify right side
    43,125.75x = 2,008,555,129.22
  5. Step 5: Solve for x
    x = 2,008,555,129.22/43,125.75
  6. Step 6: Final answer
    x = 46,574.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.