Home / 91,097.04-125,714.62-50,813.42

Finding the Fourth Proportional to 91,097.04, 125,714.62 and 50,813.42

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Solution

The fourth proportional to 91,097.04, 125,714.62 and 50,813.42 is: 70,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,097.04 : 125,714.62 = 50,813.42 : x
  2. Step 2: Convert to fraction form
    91,097.04/125,714.62 = 50,813.42/x
  3. Step 3: Cross multiply
    91,097.04x = 125,714.62 × 50,813.42
  4. Step 4: Simplify right side
    91,097.04x = 6,387,989,786.20
  5. Step 5: Solve for x
    x = 6,387,989,786.20/91,097.04
  6. Step 6: Final answer
    x = 70,122.91

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1.5x scale

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.