Home / 93,930.30-129,629.14-55,712.48

Finding the Fourth Proportional to 93,930.30, 129,629.14 and 55,712.48

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Solution

The fourth proportional to 93,930.30, 129,629.14 and 55,712.48 is: 76,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.30 : 129,629.14 = 55,712.48 : x
  2. Step 2: Convert to fraction form
    93,930.30/129,629.14 = 55,712.48/x
  3. Step 3: Cross multiply
    93,930.30x = 129,629.14 × 55,712.48
  4. Step 4: Simplify right side
    93,930.30x = 7,221,960,869.67
  5. Step 5: Solve for x
    x = 7,221,960,869.67/93,930.30
  6. Step 6: Final answer
    x = 76,886.38

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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.