Home / 64,521.24-89,076.30-43,005.24

Finding the Fourth Proportional to 64,521.24, 89,076.30 and 43,005.24

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Solution

The fourth proportional to 64,521.24, 89,076.30 and 43,005.24 is: 59,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.24 : 89,076.30 = 43,005.24 : x
  2. Step 2: Convert to fraction form
    64,521.24/89,076.30 = 43,005.24/x
  3. Step 3: Cross multiply
    64,521.24x = 89,076.30 × 43,005.24
  4. Step 4: Simplify right side
    64,521.24x = 3,830,747,659.81
  5. Step 5: Solve for x
    x = 3,830,747,659.81/64,521.24
  6. Step 6: Final answer
    x = 59,371.89

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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.