Home / 87,840.59-121,219.94-47,554.32

Finding the Fourth Proportional to 87,840.59, 121,219.94 and 47,554.32

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Solution

The fourth proportional to 87,840.59, 121,219.94 and 47,554.32 is: 65,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840.59 : 121,219.94 = 47,554.32 : x
  2. Step 2: Convert to fraction form
    87,840.59/121,219.94 = 47,554.32/x
  3. Step 3: Cross multiply
    87,840.59x = 121,219.94 × 47,554.32
  4. Step 4: Simplify right side
    87,840.59x = 5,764,532,390.60
  5. Step 5: Solve for x
    x = 5,764,532,390.60/87,840.59
  6. Step 6: Final answer
    x = 65,624.93

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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.