Home / 87,730.56-121,068.90-50,007.24

Finding the Fourth Proportional to 87,730.56, 121,068.90 and 50,007.24

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Solution

The fourth proportional to 87,730.56, 121,068.90 and 50,007.24 is: 69,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,730.56 : 121,068.90 = 50,007.24 : x
  2. Step 2: Convert to fraction form
    87,730.56/121,068.90 = 50,007.24/x
  3. Step 3: Cross multiply
    87,730.56x = 121,068.90 × 50,007.24
  4. Step 4: Simplify right side
    87,730.56x = 6,054,321,538.84
  5. Step 5: Solve for x
    x = 6,054,321,538.84/87,730.56
  6. Step 6: Final answer
    x = 69,010.41

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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.