Home / 88,213.76-121,734.48-47,927.24

Finding the Fourth Proportional to 88,213.76, 121,734.48 and 47,927.24

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Solution

The fourth proportional to 88,213.76, 121,734.48 and 47,927.24 is: 66,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.76 : 121,734.48 = 47,927.24 : x
  2. Step 2: Convert to fraction form
    88,213.76/121,734.48 = 47,927.24/x
  3. Step 3: Cross multiply
    88,213.76x = 121,734.48 × 47,927.24
  4. Step 4: Simplify right side
    88,213.76x = 5,834,397,639.24
  5. Step 5: Solve for x
    x = 5,834,397,639.24/88,213.76
  6. Step 6: Final answer
    x = 66,139.31

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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.