Home / 91,435.89-126,206.88-53,202.81

Finding the Fourth Proportional to 91,435.89, 126,206.88 and 53,202.81

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Solution

The fourth proportional to 91,435.89, 126,206.88 and 53,202.81 is: 73,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,435.89 : 126,206.88 = 53,202.81 : x
  2. Step 2: Convert to fraction form
    91,435.89/126,206.88 = 53,202.81/x
  3. Step 3: Cross multiply
    91,435.89x = 126,206.88 × 53,202.81
  4. Step 4: Simplify right side
    91,435.89x = 6,714,560,657.33
  5. Step 5: Solve for x
    x = 6,714,560,657.33/91,435.89
  6. Step 6: Final answer
    x = 73,434.63

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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.