Home / 63,121.23-87,094.53-40,160.16

Finding the Fourth Proportional to 63,121.23, 87,094.53 and 40,160.16

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Solution

The fourth proportional to 63,121.23, 87,094.53 and 40,160.16 is: 55,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.23 : 87,094.53 = 40,160.16 : x
  2. Step 2: Convert to fraction form
    63,121.23/87,094.53 = 40,160.16/x
  3. Step 3: Cross multiply
    63,121.23x = 87,094.53 × 40,160.16
  4. Step 4: Simplify right side
    63,121.23x = 3,497,730,259.92
  5. Step 5: Solve for x
    x = 3,497,730,259.92/63,121.23
  6. Step 6: Final answer
    x = 55,412.90

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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.