Home / 85,150.51-117,513.08-47,424.67

Finding the Fourth Proportional to 85,150.51, 117,513.08 and 47,424.67

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Solution

The fourth proportional to 85,150.51, 117,513.08 and 47,424.67 is: 65,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150.51 : 117,513.08 = 47,424.67 : x
  2. Step 2: Convert to fraction form
    85,150.51/117,513.08 = 47,424.67/x
  3. Step 3: Cross multiply
    85,150.51x = 117,513.08 × 47,424.67
  4. Step 4: Simplify right side
    85,150.51x = 5,573,019,039.68
  5. Step 5: Solve for x
    x = 5,573,019,039.68/85,150.51
  6. Step 6: Final answer
    x = 65,449.04

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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.