Home / 75,155.04-103,605.48-60,983.28

Finding the Fourth Proportional to 75,155.04, 103,605.48 and 60,983.28

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Solution

The fourth proportional to 75,155.04, 103,605.48 and 60,983.28 is: 84,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.04 : 103,605.48 = 60,983.28 : x
  2. Step 2: Convert to fraction form
    75,155.04/103,605.48 = 60,983.28/x
  3. Step 3: Cross multiply
    75,155.04x = 103,605.48 × 60,983.28
  4. Step 4: Simplify right side
    75,155.04x = 6,318,201,996.37
  5. Step 5: Solve for x
    x = 6,318,201,996.37/75,155.04
  6. Step 6: Final answer
    x = 84,068.91

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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.