Home / 74,769.89-103,156.39-47,927.19

Finding the Fourth Proportional to 74,769.89, 103,156.39 and 47,927.19

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Solution

The fourth proportional to 74,769.89, 103,156.39 and 47,927.19 is: 66,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.89 : 103,156.39 = 47,927.19 : x
  2. Step 2: Convert to fraction form
    74,769.89/103,156.39 = 47,927.19/x
  3. Step 3: Cross multiply
    74,769.89x = 103,156.39 × 47,927.19
  4. Step 4: Simplify right side
    74,769.89x = 4,943,996,080.40
  5. Step 5: Solve for x
    x = 4,943,996,080.40/74,769.89
  6. Step 6: Final answer
    x = 66,122.83

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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.