Home / 98,656.51-136,146.26-62,838.85

Finding the Fourth Proportional to 98,656.51, 136,146.26 and 62,838.85

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Solution

The fourth proportional to 98,656.51, 136,146.26 and 62,838.85 is: 86,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,656.51 : 136,146.26 = 62,838.85 : x
  2. Step 2: Convert to fraction form
    98,656.51/136,146.26 = 62,838.85/x
  3. Step 3: Cross multiply
    98,656.51x = 136,146.26 × 62,838.85
  4. Step 4: Simplify right side
    98,656.51x = 8,555,274,410.20
  5. Step 5: Solve for x
    x = 8,555,274,410.20/98,656.51
  6. Step 6: Final answer
    x = 86,717.79

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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.