Home / 103,210.04-154,830.54-36,644.64

Finding the Fourth Proportional to 103,210.04, 154,830.54 and 36,644.64

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Solution

The fourth proportional to 103,210.04, 154,830.54 and 36,644.64 is: 54,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,210.04 : 154,830.54 = 36,644.64 : x
  2. Step 2: Convert to fraction form
    103,210.04/154,830.54 = 36,644.64/x
  3. Step 3: Cross multiply
    103,210.04x = 154,830.54 × 36,644.64
  4. Step 4: Simplify right side
    103,210.04x = 5,673,709,399.31
  5. Step 5: Solve for x
    x = 5,673,709,399.31/103,210.04
  6. Step 6: Final answer
    x = 54,972.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.