Home / 74,664.50-103,037.02-41,130.50

Finding the Fourth Proportional to 74,664.50, 103,037.02 and 41,130.50

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Solution

The fourth proportional to 74,664.50, 103,037.02 and 41,130.50 is: 56,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.50 : 103,037.02 = 41,130.50 : x
  2. Step 2: Convert to fraction form
    74,664.50/103,037.02 = 41,130.50/x
  3. Step 3: Cross multiply
    74,664.50x = 103,037.02 × 41,130.50
  4. Step 4: Simplify right side
    74,664.50x = 4,237,964,151.11
  5. Step 5: Solve for x
    x = 4,237,964,151.11/74,664.50
  6. Step 6: Final answer
    x = 56,760.10

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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.