Home / 93,223.03-128,647.13-50,781.57

Finding the Fourth Proportional to 93,223.03, 128,647.13 and 50,781.57

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Solution

The fourth proportional to 93,223.03, 128,647.13 and 50,781.57 is: 70,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.03 : 128,647.13 = 50,781.57 : x
  2. Step 2: Convert to fraction form
    93,223.03/128,647.13 = 50,781.57/x
  3. Step 3: Cross multiply
    93,223.03x = 128,647.13 × 50,781.57
  4. Step 4: Simplify right side
    93,223.03x = 6,532,902,467.20
  5. Step 5: Solve for x
    x = 6,532,902,467.20/93,223.03
  6. Step 6: Final answer
    x = 70,078.20

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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.