Home / 98,633.64-136,081.10-56,162.10

Finding the Fourth Proportional to 98,633.64, 136,081.10 and 56,162.10

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Solution

The fourth proportional to 98,633.64, 136,081.10 and 56,162.10 is: 77,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.64 : 136,081.10 = 56,162.10 : x
  2. Step 2: Convert to fraction form
    98,633.64/136,081.10 = 56,162.10/x
  3. Step 3: Cross multiply
    98,633.64x = 136,081.10 × 56,162.10
  4. Step 4: Simplify right side
    98,633.64x = 7,642,600,486.72
  5. Step 5: Solve for x
    x = 7,642,600,486.72/98,633.64
  6. Step 6: Final answer
    x = 77,484.73

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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.