Home / 91,513.85-126,334.97-57,541.03

Finding the Fourth Proportional to 91,513.85, 126,334.97 and 57,541.03

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Solution

The fourth proportional to 91,513.85, 126,334.97 and 57,541.03 is: 79,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,513.85 : 126,334.97 = 57,541.03 : x
  2. Step 2: Convert to fraction form
    91,513.85/126,334.97 = 57,541.03/x
  3. Step 3: Cross multiply
    91,513.85x = 126,334.97 × 57,541.03
  4. Step 4: Simplify right side
    91,513.85x = 7,269,444,298.82
  5. Step 5: Solve for x
    x = 7,269,444,298.82/91,513.85
  6. Step 6: Final answer
    x = 79,435.45

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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.