Home / 93,924.12-129,615.48-51,485.40

Finding the Fourth Proportional to 93,924.12, 129,615.48 and 51,485.40

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Solution

The fourth proportional to 93,924.12, 129,615.48 and 51,485.40 is: 71,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,924.12 : 129,615.48 = 51,485.40 : x
  2. Step 2: Convert to fraction form
    93,924.12/129,615.48 = 51,485.40/x
  3. Step 3: Cross multiply
    93,924.12x = 129,615.48 × 51,485.40
  4. Step 4: Simplify right side
    93,924.12x = 6,673,304,833.99
  5. Step 5: Solve for x
    x = 6,673,304,833.99/93,924.12
  6. Step 6: Final answer
    x = 71,049.96

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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.