Home / 57,303.51-79,077.58-31,808.37

Finding the Fourth Proportional to 57,303.51, 79,077.58 and 31,808.37

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Solution

The fourth proportional to 57,303.51, 79,077.58 and 31,808.37 is: 43,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.51 : 79,077.58 = 31,808.37 : x
  2. Step 2: Convert to fraction form
    57,303.51/79,077.58 = 31,808.37/x
  3. Step 3: Cross multiply
    57,303.51x = 79,077.58 × 31,808.37
  4. Step 4: Simplify right side
    57,303.51x = 2,515,328,923.34
  5. Step 5: Solve for x
    x = 2,515,328,923.34/57,303.51
  6. Step 6: Final answer
    x = 43,894.85

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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.