Home / 65,821.83-90,829.13-37,144.16

Finding the Fourth Proportional to 65,821.83, 90,829.13 and 37,144.16

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Solution

The fourth proportional to 65,821.83, 90,829.13 and 37,144.16 is: 51,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.83 : 90,829.13 = 37,144.16 : x
  2. Step 2: Convert to fraction form
    65,821.83/90,829.13 = 37,144.16/x
  3. Step 3: Cross multiply
    65,821.83x = 90,829.13 × 37,144.16
  4. Step 4: Simplify right side
    65,821.83x = 3,373,771,097.51
  5. Step 5: Solve for x
    x = 3,373,771,097.51/65,821.83
  6. Step 6: Final answer
    x = 51,256.11

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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.