Home / 93,223.10-128,647.21-50,781.63

Finding the Fourth Proportional to 93,223.10, 128,647.21 and 50,781.63

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Solution

The fourth proportional to 93,223.10, 128,647.21 and 50,781.63 is: 70,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.10 : 128,647.21 = 50,781.63 : x
  2. Step 2: Convert to fraction form
    93,223.10/128,647.21 = 50,781.63/x
  3. Step 3: Cross multiply
    93,223.10x = 128,647.21 × 50,781.63
  4. Step 4: Simplify right side
    93,223.10x = 6,532,914,887.57
  5. Step 5: Solve for x
    x = 6,532,914,887.57/93,223.10
  6. Step 6: Final answer
    x = 70,078.29

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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.