Home / 74,706.04-103,092.56-40,715.60

Finding the Fourth Proportional to 74,706.04, 103,092.56 and 40,715.60

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Solution

The fourth proportional to 74,706.04, 103,092.56 and 40,715.60 is: 56,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.04 : 103,092.56 = 40,715.60 : x
  2. Step 2: Convert to fraction form
    74,706.04/103,092.56 = 40,715.60/x
  3. Step 3: Cross multiply
    74,706.04x = 103,092.56 × 40,715.60
  4. Step 4: Simplify right side
    74,706.04x = 4,197,475,435.94
  5. Step 5: Solve for x
    x = 4,197,475,435.94/74,706.04
  6. Step 6: Final answer
    x = 56,186.56

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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.