Home / 100,733.91-139,017.51-58,284.24

Finding the Fourth Proportional to 100,733.91, 139,017.51 and 58,284.24

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Solution

The fourth proportional to 100,733.91, 139,017.51 and 58,284.24 is: 80,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,733.91 : 139,017.51 = 58,284.24 : x
  2. Step 2: Convert to fraction form
    100,733.91/139,017.51 = 58,284.24/x
  3. Step 3: Cross multiply
    100,733.91x = 139,017.51 × 58,284.24
  4. Step 4: Simplify right side
    100,733.91x = 8,102,529,917.04
  5. Step 5: Solve for x
    x = 8,102,529,917.04/100,733.91
  6. Step 6: Final answer
    x = 80,434.98

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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.