Home / 87,282.63-120,495.87-58,752.45

Finding the Fourth Proportional to 87,282.63, 120,495.87 and 58,752.45

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Solution

The fourth proportional to 87,282.63, 120,495.87 and 58,752.45 is: 81,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,282.63 : 120,495.87 = 58,752.45 : x
  2. Step 2: Convert to fraction form
    87,282.63/120,495.87 = 58,752.45/x
  3. Step 3: Cross multiply
    87,282.63x = 120,495.87 × 58,752.45
  4. Step 4: Simplify right side
    87,282.63x = 7,079,427,577.38
  5. Step 5: Solve for x
    x = 7,079,427,577.38/87,282.63
  6. Step 6: Final answer
    x = 81,109.24

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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.