Home / 70,511.96-97,306.52-38,681.56

Finding the Fourth Proportional to 70,511.96, 97,306.52 and 38,681.56

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Solution

The fourth proportional to 70,511.96, 97,306.52 and 38,681.56 is: 53,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,511.96 : 97,306.52 = 38,681.56 : x
  2. Step 2: Convert to fraction form
    70,511.96/97,306.52 = 38,681.56/x
  3. Step 3: Cross multiply
    70,511.96x = 97,306.52 × 38,681.56
  4. Step 4: Simplify right side
    70,511.96x = 3,763,967,991.77
  5. Step 5: Solve for x
    x = 3,763,967,991.77/70,511.96
  6. Step 6: Final answer
    x = 53,380.56

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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.