Home / 98,676.92-136,175.84-56,236.16

Finding the Fourth Proportional to 98,676.92, 136,175.84 and 56,236.16

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Solution

The fourth proportional to 98,676.92, 136,175.84 and 56,236.16 is: 77,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,676.92 : 136,175.84 = 56,236.16 : x
  2. Step 2: Convert to fraction form
    98,676.92/136,175.84 = 56,236.16/x
  3. Step 3: Cross multiply
    98,676.92x = 136,175.84 × 56,236.16
  4. Step 4: Simplify right side
    98,676.92x = 7,658,005,364.31
  5. Step 5: Solve for x
    x = 7,658,005,364.31/98,676.92
  6. Step 6: Final answer
    x = 77,606.86

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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.