Home / 74,605.68-102,949.56-42,767.28

Finding the Fourth Proportional to 74,605.68, 102,949.56 and 42,767.28

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Solution

The fourth proportional to 74,605.68, 102,949.56 and 42,767.28 is: 59,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,605.68 : 102,949.56 = 42,767.28 : x
  2. Step 2: Convert to fraction form
    74,605.68/102,949.56 = 42,767.28/x
  3. Step 3: Cross multiply
    74,605.68x = 102,949.56 × 42,767.28
  4. Step 4: Simplify right side
    74,605.68x = 4,402,872,658.40
  5. Step 5: Solve for x
    x = 4,402,872,658.40/74,605.68
  6. Step 6: Final answer
    x = 59,015.25

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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.