Home / 81,365.45-112,264.99-47,353.34

Finding the Fourth Proportional to 81,365.45, 112,264.99 and 47,353.34

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Solution

The fourth proportional to 81,365.45, 112,264.99 and 47,353.34 is: 65,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,365.45 : 112,264.99 = 47,353.34 : x
  2. Step 2: Convert to fraction form
    81,365.45/112,264.99 = 47,353.34/x
  3. Step 3: Cross multiply
    81,365.45x = 112,264.99 × 47,353.34
  4. Step 4: Simplify right side
    81,365.45x = 5,316,122,403.85
  5. Step 5: Solve for x
    x = 5,316,122,403.85/81,365.45
  6. Step 6: Final answer
    x = 65,336.36

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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.