Home / 98,845.35-136,416.35-56,410.26

Finding the Fourth Proportional to 98,845.35, 136,416.35 and 56,410.26

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Solution

The fourth proportional to 98,845.35, 136,416.35 and 56,410.26 is: 77,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.35 : 136,416.35 = 56,410.26 : x
  2. Step 2: Convert to fraction form
    98,845.35/136,416.35 = 56,410.26/x
  3. Step 3: Cross multiply
    98,845.35x = 136,416.35 × 56,410.26
  4. Step 4: Simplify right side
    98,845.35x = 7,695,281,489.70
  5. Step 5: Solve for x
    x = 7,695,281,489.70/98,845.35
  6. Step 6: Final answer
    x = 77,851.73

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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.