Home / 70,729.59-97,604.89-38,898.52

Finding the Fourth Proportional to 70,729.59, 97,604.89 and 38,898.52

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Solution

The fourth proportional to 70,729.59, 97,604.89 and 38,898.52 is: 53,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,729.59 : 97,604.89 = 38,898.52 : x
  2. Step 2: Convert to fraction form
    70,729.59/97,604.89 = 38,898.52/x
  3. Step 3: Cross multiply
    70,729.59x = 97,604.89 × 38,898.52
  4. Step 4: Simplify right side
    70,729.59x = 3,796,685,765.76
  5. Step 5: Solve for x
    x = 3,796,685,765.76/70,729.59
  6. Step 6: Final answer
    x = 53,678.89

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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.