Home / 85,037.55-117,364.46-49,229.07

Finding the Fourth Proportional to 85,037.55, 117,364.46 and 49,229.07

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Solution

The fourth proportional to 85,037.55, 117,364.46 and 49,229.07 is: 67,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,037.55 : 117,364.46 = 49,229.07 : x
  2. Step 2: Convert to fraction form
    85,037.55/117,364.46 = 49,229.07/x
  3. Step 3: Cross multiply
    85,037.55x = 117,364.46 × 49,229.07
  4. Step 4: Simplify right side
    85,037.55x = 5,777,742,970.71
  5. Step 5: Solve for x
    x = 5,777,742,970.71/85,037.55
  6. Step 6: Final answer
    x = 67,943.43

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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.