Home / 74,562.32-102,934.13-57,528.29

Finding the Fourth Proportional to 74,562.32, 102,934.13 and 57,528.29

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Solution

The fourth proportional to 74,562.32, 102,934.13 and 57,528.29 is: 79,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.32 : 102,934.13 = 57,528.29 : x
  2. Step 2: Convert to fraction form
    74,562.32/102,934.13 = 57,528.29/x
  3. Step 3: Cross multiply
    74,562.32x = 102,934.13 × 57,528.29
  4. Step 4: Simplify right side
    74,562.32x = 5,921,624,451.23
  5. Step 5: Solve for x
    x = 5,921,624,451.23/74,562.32
  6. Step 6: Final answer
    x = 79,418.45

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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.