Home / 64,081.02-96,132.47-19,706.79

Finding the Fourth Proportional to 64,081.02, 96,132.47 and 19,706.79

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Solution

The fourth proportional to 64,081.02, 96,132.47 and 19,706.79 is: 29,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.02 : 96,132.47 = 19,706.79 : x
  2. Step 2: Convert to fraction form
    64,081.02/96,132.47 = 19,706.79/x
  3. Step 3: Cross multiply
    64,081.02x = 96,132.47 × 19,706.79
  4. Step 4: Simplify right side
    64,081.02x = 1,894,462,771.28
  5. Step 5: Solve for x
    x = 1,894,462,771.28/64,081.02
  6. Step 6: Final answer
    x = 29,563.55

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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.