Home / 91,009.60-125,597.53-50,723.64

Finding the Fourth Proportional to 91,009.60, 125,597.53 and 50,723.64

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Solution

The fourth proportional to 91,009.60, 125,597.53 and 50,723.64 is: 70,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,009.60 : 125,597.53 = 50,723.64 : x
  2. Step 2: Convert to fraction form
    91,009.60/125,597.53 = 50,723.64/x
  3. Step 3: Cross multiply
    91,009.60x = 125,597.53 × 50,723.64
  4. Step 4: Simplify right side
    91,009.60x = 6,370,763,769.80
  5. Step 5: Solve for x
    x = 6,370,763,769.80/91,009.60
  6. Step 6: Final answer
    x = 70,001.01

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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.