Home / 87,194.32-120,364.32-58,938.28

Finding the Fourth Proportional to 87,194.32, 120,364.32 and 58,938.28

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Solution

The fourth proportional to 87,194.32, 120,364.32 and 58,938.28 is: 81,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.32 : 120,364.32 = 58,938.28 : x
  2. Step 2: Convert to fraction form
    87,194.32/120,364.32 = 58,938.28/x
  3. Step 3: Cross multiply
    87,194.32x = 120,364.32 × 58,938.28
  4. Step 4: Simplify right side
    87,194.32x = 7,094,065,994.17
  5. Step 5: Solve for x
    x = 7,094,065,994.17/87,194.32
  6. Step 6: Final answer
    x = 81,359.27

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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.