Home / 91,555.68-126,344.70-53,832.36

Finding the Fourth Proportional to 91,555.68, 126,344.70 and 53,832.36

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Solution

The fourth proportional to 91,555.68, 126,344.70 and 53,832.36 is: 74,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.68 : 126,344.70 = 53,832.36 : x
  2. Step 2: Convert to fraction form
    91,555.68/126,344.70 = 53,832.36/x
  3. Step 3: Cross multiply
    91,555.68x = 126,344.70 × 53,832.36
  4. Step 4: Simplify right side
    91,555.68x = 6,801,433,374.49
  5. Step 5: Solve for x
    x = 6,801,433,374.49/91,555.68
  6. Step 6: Final answer
    x = 74,287.40

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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.