Home / 105,574.05-145,692.68-57,827.25

Finding the Fourth Proportional to 105,574.05, 145,692.68 and 57,827.25

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Solution

The fourth proportional to 105,574.05, 145,692.68 and 57,827.25 is: 79,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,574.05 : 145,692.68 = 57,827.25 : x
  2. Step 2: Convert to fraction form
    105,574.05/145,692.68 = 57,827.25/x
  3. Step 3: Cross multiply
    105,574.05x = 145,692.68 × 57,827.25
  4. Step 4: Simplify right side
    105,574.05x = 8,425,006,740.39
  5. Step 5: Solve for x
    x = 8,425,006,740.39/105,574.05
  6. Step 6: Final answer
    x = 79,801.87

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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.