Home / 95,128.02-131,279.40-52,686.45

Finding the Fourth Proportional to 95,128.02, 131,279.40 and 52,686.45

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Solution

The fourth proportional to 95,128.02, 131,279.40 and 52,686.45 is: 72,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.02 : 131,279.40 = 52,686.45 : x
  2. Step 2: Convert to fraction form
    95,128.02/131,279.40 = 52,686.45/x
  3. Step 3: Cross multiply
    95,128.02x = 131,279.40 × 52,686.45
  4. Step 4: Simplify right side
    95,128.02x = 6,916,645,544.13
  5. Step 5: Solve for x
    x = 6,916,645,544.13/95,128.02
  6. Step 6: Final answer
    x = 72,708.81

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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.