Home / 109,500.88-151,110.48-61,754.64

Finding the Fourth Proportional to 109,500.88, 151,110.48 and 61,754.64

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Solution

The fourth proportional to 109,500.88, 151,110.48 and 61,754.64 is: 85,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,500.88 : 151,110.48 = 61,754.64 : x
  2. Step 2: Convert to fraction form
    109,500.88/151,110.48 = 61,754.64/x
  3. Step 3: Cross multiply
    109,500.88x = 151,110.48 × 61,754.64
  4. Step 4: Simplify right side
    109,500.88x = 9,331,773,292.63
  5. Step 5: Solve for x
    x = 9,331,773,292.63/109,500.88
  6. Step 6: Final answer
    x = 85,220.99

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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.