Home / 91,192.14-125,843.04-50,909.63

Finding the Fourth Proportional to 91,192.14, 125,843.04 and 50,909.63

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Solution

The fourth proportional to 91,192.14, 125,843.04 and 50,909.63 is: 70,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.14 : 125,843.04 = 50,909.63 : x
  2. Step 2: Convert to fraction form
    91,192.14/125,843.04 = 50,909.63/x
  3. Step 3: Cross multiply
    91,192.14x = 125,843.04 × 50,909.63
  4. Step 4: Simplify right side
    91,192.14x = 6,406,621,975.26
  5. Step 5: Solve for x
    x = 6,406,621,975.26/91,192.14
  6. Step 6: Final answer
    x = 70,254.10

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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.