Home / 98,612.40-136,150.76-58,339.06

Finding the Fourth Proportional to 98,612.40, 136,150.76 and 58,339.06

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Solution

The fourth proportional to 98,612.40, 136,150.76 and 58,339.06 is: 80,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,612.40 : 136,150.76 = 58,339.06 : x
  2. Step 2: Convert to fraction form
    98,612.40/136,150.76 = 58,339.06/x
  3. Step 3: Cross multiply
    98,612.40x = 136,150.76 × 58,339.06
  4. Step 4: Simplify right side
    98,612.40x = 7,942,907,356.69
  5. Step 5: Solve for x
    x = 7,942,907,356.69/98,612.40
  6. Step 6: Final answer
    x = 80,546.74

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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.