Home / 102,057.45-140,841.63-56,733.71

Finding the Fourth Proportional to 102,057.45, 140,841.63 and 56,733.71

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Solution

The fourth proportional to 102,057.45, 140,841.63 and 56,733.71 is: 78,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,057.45 : 140,841.63 = 56,733.71 : x
  2. Step 2: Convert to fraction form
    102,057.45/140,841.63 = 56,733.71/x
  3. Step 3: Cross multiply
    102,057.45x = 140,841.63 × 56,733.71
  4. Step 4: Simplify right side
    102,057.45x = 7,990,467,488.14
  5. Step 5: Solve for x
    x = 7,990,467,488.14/102,057.45
  6. Step 6: Final answer
    x = 78,293.82

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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.