Home / 45,178.80-67,677.48-25,427.76

Finding the Fourth Proportional to 45,178.80, 67,677.48 and 25,427.76

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Solution

The fourth proportional to 45,178.80, 67,677.48 and 25,427.76 is: 38,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,178.80 : 67,677.48 = 25,427.76 : x
  2. Step 2: Convert to fraction form
    45,178.80/67,677.48 = 25,427.76/x
  3. Step 3: Cross multiply
    45,178.80x = 67,677.48 × 25,427.76
  4. Step 4: Simplify right side
    45,178.80x = 1,720,886,718.84
  5. Step 5: Solve for x
    x = 1,720,886,718.84/45,178.80
  6. Step 6: Final answer
    x = 38,090.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.