Home / 91,168.24-125,808.85-57,195.01

Finding the Fourth Proportional to 91,168.24, 125,808.85 and 57,195.01

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Solution

The fourth proportional to 91,168.24, 125,808.85 and 57,195.01 is: 78,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,168.24 : 125,808.85 = 57,195.01 : x
  2. Step 2: Convert to fraction form
    91,168.24/125,808.85 = 57,195.01/x
  3. Step 3: Cross multiply
    91,168.24x = 125,808.85 × 57,195.01
  4. Step 4: Simplify right side
    91,168.24x = 7,195,638,433.84
  5. Step 5: Solve for x
    x = 7,195,638,433.84/91,168.24
  6. Step 6: Final answer
    x = 78,927.03

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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.