Home / 74,817.28-103,240.56-41,281.12

Finding the Fourth Proportional to 74,817.28, 103,240.56 and 41,281.12

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Solution

The fourth proportional to 74,817.28, 103,240.56 and 41,281.12 is: 56,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,817.28 : 103,240.56 = 41,281.12 : x
  2. Step 2: Convert to fraction form
    74,817.28/103,240.56 = 41,281.12/x
  3. Step 3: Cross multiply
    74,817.28x = 103,240.56 × 41,281.12
  4. Step 4: Simplify right side
    74,817.28x = 4,261,885,946.23
  5. Step 5: Solve for x
    x = 4,261,885,946.23/74,817.28
  6. Step 6: Final answer
    x = 56,963.93

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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.