Home / 78,125.01-107,812.52-44,133.56

Finding the Fourth Proportional to 78,125.01, 107,812.52 and 44,133.56

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Solution

The fourth proportional to 78,125.01, 107,812.52 and 44,133.56 is: 60,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,125.01 : 107,812.52 = 44,133.56 : x
  2. Step 2: Convert to fraction form
    78,125.01/107,812.52 = 44,133.56/x
  3. Step 3: Cross multiply
    78,125.01x = 107,812.52 × 44,133.56
  4. Step 4: Simplify right side
    78,125.01x = 4,758,150,130.24
  5. Step 5: Solve for x
    x = 4,758,150,130.24/78,125.01
  6. Step 6: Final answer
    x = 60,904.32

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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.