Home / 74,769.50-103,156.09-47,926.82

Finding the Fourth Proportional to 74,769.50, 103,156.09 and 47,926.82

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Solution

The fourth proportional to 74,769.50, 103,156.09 and 47,926.82 is: 66,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.50 : 103,156.09 = 47,926.82 : x
  2. Step 2: Convert to fraction form
    74,769.50/103,156.09 = 47,926.82/x
  3. Step 3: Cross multiply
    74,769.50x = 103,156.09 × 47,926.82
  4. Step 4: Simplify right side
    74,769.50x = 4,943,943,495.41
  5. Step 5: Solve for x
    x = 4,943,943,495.41/74,769.50
  6. Step 6: Final answer
    x = 66,122.46

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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.