Home / 83,427.01-115,137.52-47,622.40

Finding the Fourth Proportional to 83,427.01, 115,137.52 and 47,622.40

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Solution

The fourth proportional to 83,427.01, 115,137.52 and 47,622.40 is: 65,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.01 : 115,137.52 = 47,622.40 : x
  2. Step 2: Convert to fraction form
    83,427.01/115,137.52 = 47,622.40/x
  3. Step 3: Cross multiply
    83,427.01x = 115,137.52 × 47,622.40
  4. Step 4: Simplify right side
    83,427.01x = 5,483,124,625.55
  5. Step 5: Solve for x
    x = 5,483,124,625.55/83,427.01
  6. Step 6: Final answer
    x = 65,723.62

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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.