Home / 70,280.96-96,988.07-38,450.39

Finding the Fourth Proportional to 70,280.96, 96,988.07 and 38,450.39

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Solution

The fourth proportional to 70,280.96, 96,988.07 and 38,450.39 is: 53,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.96 : 96,988.07 = 38,450.39 : x
  2. Step 2: Convert to fraction form
    70,280.96/96,988.07 = 38,450.39/x
  3. Step 3: Cross multiply
    70,280.96x = 96,988.07 × 38,450.39
  4. Step 4: Simplify right side
    70,280.96x = 3,729,228,924.60
  5. Step 5: Solve for x
    x = 3,729,228,924.60/70,280.96
  6. Step 6: Final answer
    x = 53,061.72

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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.