Home / 72,106.24-107,946.36-53,261.12

Finding the Fourth Proportional to 72,106.24, 107,946.36 and 53,261.12

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Solution

The fourth proportional to 72,106.24, 107,946.36 and 53,261.12 is: 79,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,106.24 : 107,946.36 = 53,261.12 : x
  2. Step 2: Convert to fraction form
    72,106.24/107,946.36 = 53,261.12/x
  3. Step 3: Cross multiply
    72,106.24x = 107,946.36 × 53,261.12
  4. Step 4: Simplify right side
    72,106.24x = 5,749,344,033.52
  5. Step 5: Solve for x
    x = 5,749,344,033.52/72,106.24
  6. Step 6: Final answer
    x = 79,734.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.