Home / 93,863.60-129,532.20-51,422

Finding the Fourth Proportional to 93,863.60, 129,532.20 and 51,422

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Solution

The fourth proportional to 93,863.60, 129,532.20 and 51,422 is: 70,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,863.60 : 129,532.20 = 51,422 : x
  2. Step 2: Convert to fraction form
    93,863.60/129,532.20 = 51,422/x
  3. Step 3: Cross multiply
    93,863.60x = 129,532.20 × 51,422
  4. Step 4: Simplify right side
    93,863.60x = 6,660,804,788.40
  5. Step 5: Solve for x
    x = 6,660,804,788.40/93,863.60
  6. Step 6: Final answer
    x = 70,962.60

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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.