Home / 87,194.95-120,365.59-58,938.91

Finding the Fourth Proportional to 87,194.95, 120,365.59 and 58,938.91

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Solution

The fourth proportional to 87,194.95, 120,365.59 and 58,938.91 is: 81,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.95 : 120,365.59 = 58,938.91 : x
  2. Step 2: Convert to fraction form
    87,194.95/120,365.59 = 58,938.91/x
  3. Step 3: Cross multiply
    87,194.95x = 120,365.59 × 58,938.91
  4. Step 4: Simplify right side
    87,194.95x = 7,094,216,676.11
  5. Step 5: Solve for x
    x = 7,094,216,676.11/87,194.95
  6. Step 6: Final answer
    x = 81,360.41

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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.