Home / 74,156.02-111,184.62-38,529.78

Finding the Fourth Proportional to 74,156.02, 111,184.62 and 38,529.78

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Solution

The fourth proportional to 74,156.02, 111,184.62 and 38,529.78 is: 57,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.02 : 111,184.62 = 38,529.78 : x
  2. Step 2: Convert to fraction form
    74,156.02/111,184.62 = 38,529.78/x
  3. Step 3: Cross multiply
    74,156.02x = 111,184.62 × 38,529.78
  4. Step 4: Simplify right side
    74,156.02x = 4,283,918,947.98
  5. Step 5: Solve for x
    x = 4,283,918,947.98/74,156.02
  6. Step 6: Final answer
    x = 57,769.00

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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.