Home / 83,583.50-125,377.07-30,280.23

Finding the Fourth Proportional to 83,583.50, 125,377.07 and 30,280.23

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Solution

The fourth proportional to 83,583.50, 125,377.07 and 30,280.23 is: 45,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.50 : 125,377.07 = 30,280.23 : x
  2. Step 2: Convert to fraction form
    83,583.50/125,377.07 = 30,280.23/x
  3. Step 3: Cross multiply
    83,583.50x = 125,377.07 × 30,280.23
  4. Step 4: Simplify right side
    83,583.50x = 3,796,446,364.92
  5. Step 5: Solve for x
    x = 3,796,446,364.92/83,583.50
  6. Step 6: Final answer
    x = 45,421.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.