Home / 84,132.09-116,108.51-48,323.61

Finding the Fourth Proportional to 84,132.09, 116,108.51 and 48,323.61

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Solution

The fourth proportional to 84,132.09, 116,108.51 and 48,323.61 is: 66,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.09 : 116,108.51 = 48,323.61 : x
  2. Step 2: Convert to fraction form
    84,132.09/116,108.51 = 48,323.61/x
  3. Step 3: Cross multiply
    84,132.09x = 116,108.51 × 48,323.61
  4. Step 4: Simplify right side
    84,132.09x = 5,610,782,113.30
  5. Step 5: Solve for x
    x = 5,610,782,113.30/84,132.09
  6. Step 6: Final answer
    x = 66,690.15

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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.