Home / 74,043.02-102,073.08-52,785.38

Finding the Fourth Proportional to 74,043.02, 102,073.08 and 52,785.38

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Solution

The fourth proportional to 74,043.02, 102,073.08 and 52,785.38 is: 72,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043.02 : 102,073.08 = 52,785.38 : x
  2. Step 2: Convert to fraction form
    74,043.02/102,073.08 = 52,785.38/x
  3. Step 3: Cross multiply
    74,043.02x = 102,073.08 × 52,785.38
  4. Step 4: Simplify right side
    74,043.02x = 5,387,966,315.57
  5. Step 5: Solve for x
    x = 5,387,966,315.57/74,043.02
  6. Step 6: Final answer
    x = 72,768.05

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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.