Home / 98,635.68-136,110.24-56,186.40

Finding the Fourth Proportional to 98,635.68, 136,110.24 and 56,186.40

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Solution

The fourth proportional to 98,635.68, 136,110.24 and 56,186.40 is: 77,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,635.68 : 136,110.24 = 56,186.40 : x
  2. Step 2: Convert to fraction form
    98,635.68/136,110.24 = 56,186.40/x
  3. Step 3: Cross multiply
    98,635.68x = 136,110.24 × 56,186.40
  4. Step 4: Simplify right side
    98,635.68x = 7,647,544,388.74
  5. Step 5: Solve for x
    x = 7,647,544,388.74/98,635.68
  6. Step 6: Final answer
    x = 77,533.25

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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.