Home / 64,637.04-89,136.47-43,127.66

Finding the Fourth Proportional to 64,637.04, 89,136.47 and 43,127.66

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Solution

The fourth proportional to 64,637.04, 89,136.47 and 43,127.66 is: 59,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637.04 : 89,136.47 = 43,127.66 : x
  2. Step 2: Convert to fraction form
    64,637.04/89,136.47 = 43,127.66/x
  3. Step 3: Cross multiply
    64,637.04x = 89,136.47 × 43,127.66
  4. Step 4: Simplify right side
    64,637.04x = 3,844,246,958.43
  5. Step 5: Solve for x
    x = 3,844,246,958.43/64,637.04
  6. Step 6: Final answer
    x = 59,474.37

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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.