Home / 75,423.04-104,060.36-43,580.32

Finding the Fourth Proportional to 75,423.04, 104,060.36 and 43,580.32

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Solution

The fourth proportional to 75,423.04, 104,060.36 and 43,580.32 is: 60,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.04 : 104,060.36 = 43,580.32 : x
  2. Step 2: Convert to fraction form
    75,423.04/104,060.36 = 43,580.32/x
  3. Step 3: Cross multiply
    75,423.04x = 104,060.36 × 43,580.32
  4. Step 4: Simplify right side
    75,423.04x = 4,534,983,788.12
  5. Step 5: Solve for x
    x = 4,534,983,788.12/75,423.04
  6. Step 6: Final answer
    x = 60,127.30

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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.