Home / 83,904.30-125,856.45-34,008.30

Finding the Fourth Proportional to 83,904.30, 125,856.45 and 34,008.30

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Solution

The fourth proportional to 83,904.30, 125,856.45 and 34,008.30 is: 51,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,904.30 : 125,856.45 = 34,008.30 : x
  2. Step 2: Convert to fraction form
    83,904.30/125,856.45 = 34,008.30/x
  3. Step 3: Cross multiply
    83,904.30x = 125,856.45 × 34,008.30
  4. Step 4: Simplify right side
    83,904.30x = 4,280,163,908.54
  5. Step 5: Solve for x
    x = 4,280,163,908.54/83,904.30
  6. Step 6: Final answer
    x = 51,012.45

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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.