Home / 98,561.52-136,004.40-58,276.80

Finding the Fourth Proportional to 98,561.52, 136,004.40 and 58,276.80

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Solution

The fourth proportional to 98,561.52, 136,004.40 and 58,276.80 is: 80,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561.52 : 136,004.40 = 58,276.80 : x
  2. Step 2: Convert to fraction form
    98,561.52/136,004.40 = 58,276.80/x
  3. Step 3: Cross multiply
    98,561.52x = 136,004.40 × 58,276.80
  4. Step 4: Simplify right side
    98,561.52x = 7,925,901,217.92
  5. Step 5: Solve for x
    x = 7,925,901,217.92/98,561.52
  6. Step 6: Final answer
    x = 80,415.78

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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.