Home / 85,636.73-118,176.24-47,397.84

Finding the Fourth Proportional to 85,636.73, 118,176.24 and 47,397.84

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Solution

The fourth proportional to 85,636.73, 118,176.24 and 47,397.84 is: 65,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636.73 : 118,176.24 = 47,397.84 : x
  2. Step 2: Convert to fraction form
    85,636.73/118,176.24 = 47,397.84/x
  3. Step 3: Cross multiply
    85,636.73x = 118,176.24 × 47,397.84
  4. Step 4: Simplify right side
    85,636.73x = 5,601,298,515.32
  5. Step 5: Solve for x
    x = 5,601,298,515.32/85,636.73
  6. Step 6: Final answer
    x = 65,407.67

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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.