Home / 93,986.54-129,708.29-53,699.43

Finding the Fourth Proportional to 93,986.54, 129,708.29 and 53,699.43

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Solution

The fourth proportional to 93,986.54, 129,708.29 and 53,699.43 is: 74,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,986.54 : 129,708.29 = 53,699.43 : x
  2. Step 2: Convert to fraction form
    93,986.54/129,708.29 = 53,699.43/x
  3. Step 3: Cross multiply
    93,986.54x = 129,708.29 × 53,699.43
  4. Step 4: Simplify right side
    93,986.54x = 6,965,260,970.78
  5. Step 5: Solve for x
    x = 6,965,260,970.78/93,986.54
  6. Step 6: Final answer
    x = 74,109.14

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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.