Home / 98,634.64-136,106.04-56,190.64

Finding the Fourth Proportional to 98,634.64, 136,106.04 and 56,190.64

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Solution

The fourth proportional to 98,634.64, 136,106.04 and 56,190.64 is: 77,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,634.64 : 136,106.04 = 56,190.64 : x
  2. Step 2: Convert to fraction form
    98,634.64/136,106.04 = 56,190.64/x
  3. Step 3: Cross multiply
    98,634.64x = 136,106.04 × 56,190.64
  4. Step 4: Simplify right side
    98,634.64x = 7,647,885,495.47
  5. Step 5: Solve for x
    x = 7,647,885,495.47/98,634.64
  6. Step 6: Final answer
    x = 77,537.52

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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.