Home / 94,077.50-129,825.09-53,240.87

Finding the Fourth Proportional to 94,077.50, 129,825.09 and 53,240.87

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Solution

The fourth proportional to 94,077.50, 129,825.09 and 53,240.87 is: 73,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,077.50 : 129,825.09 = 53,240.87 : x
  2. Step 2: Convert to fraction form
    94,077.50/129,825.09 = 53,240.87/x
  3. Step 3: Cross multiply
    94,077.50x = 129,825.09 × 53,240.87
  4. Step 4: Simplify right side
    94,077.50x = 6,912,000,090.30
  5. Step 5: Solve for x
    x = 6,912,000,090.30/94,077.50
  6. Step 6: Final answer
    x = 73,471.34

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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.