Home / 90,798.60-125,301.69-50,516.22

Finding the Fourth Proportional to 90,798.60, 125,301.69 and 50,516.22

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Solution

The fourth proportional to 90,798.60, 125,301.69 and 50,516.22 is: 69,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.60 : 125,301.69 = 50,516.22 : x
  2. Step 2: Convert to fraction form
    90,798.60/125,301.69 = 50,516.22/x
  3. Step 3: Cross multiply
    90,798.60x = 125,301.69 × 50,516.22
  4. Step 4: Simplify right side
    90,798.60x = 6,329,767,738.41
  5. Step 5: Solve for x
    x = 6,329,767,738.41/90,798.60
  6. Step 6: Final answer
    x = 69,712.17

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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.