Home / 93,986.31-129,707.98-53,699.21

Finding the Fourth Proportional to 93,986.31, 129,707.98 and 53,699.21

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Solution

The fourth proportional to 93,986.31, 129,707.98 and 53,699.21 is: 74,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,986.31 : 129,707.98 = 53,699.21 : x
  2. Step 2: Convert to fraction form
    93,986.31/129,707.98 = 53,699.21/x
  3. Step 3: Cross multiply
    93,986.31x = 129,707.98 × 53,699.21
  4. Step 4: Simplify right side
    93,986.31x = 6,965,215,760.31
  5. Step 5: Solve for x
    x = 6,965,215,760.31/93,986.31
  6. Step 6: Final answer
    x = 74,108.83

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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.