Home / 93,360.26-128,835.86-50,918.78

Finding the Fourth Proportional to 93,360.26, 128,835.86 and 50,918.78

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Solution

The fourth proportional to 93,360.26, 128,835.86 and 50,918.78 is: 70,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,360.26 : 128,835.86 = 50,918.78 : x
  2. Step 2: Convert to fraction form
    93,360.26/128,835.86 = 50,918.78/x
  3. Step 3: Cross multiply
    93,360.26x = 128,835.86 × 50,918.78
  4. Step 4: Simplify right side
    93,360.26x = 6,560,164,811.45
  5. Step 5: Solve for x
    x = 6,560,164,811.45/93,360.26
  6. Step 6: Final answer
    x = 70,267.21

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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.