Home / 100,876.83-139,168.26-60,032.79

Finding the Fourth Proportional to 100,876.83, 139,168.26 and 60,032.79

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Solution

The fourth proportional to 100,876.83, 139,168.26 and 60,032.79 is: 82,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,876.83 : 139,168.26 = 60,032.79 : x
  2. Step 2: Convert to fraction form
    100,876.83/139,168.26 = 60,032.79/x
  3. Step 3: Cross multiply
    100,876.83x = 139,168.26 × 60,032.79
  4. Step 4: Simplify right side
    100,876.83x = 8,354,658,927.25
  5. Step 5: Solve for x
    x = 8,354,658,927.25/100,876.83
  6. Step 6: Final answer
    x = 82,820.40

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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.