Home / 83,478.40-125,232.19-36,730.06

Finding the Fourth Proportional to 83,478.40, 125,232.19 and 36,730.06

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Solution

The fourth proportional to 83,478.40, 125,232.19 and 36,730.06 is: 55,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.40 : 125,232.19 = 36,730.06 : x
  2. Step 2: Convert to fraction form
    83,478.40/125,232.19 = 36,730.06/x
  3. Step 3: Cross multiply
    83,478.40x = 125,232.19 × 36,730.06
  4. Step 4: Simplify right side
    83,478.40x = 4,599,785,852.63
  5. Step 5: Solve for x
    x = 4,599,785,852.63/83,478.40
  6. Step 6: Final answer
    x = 55,101.51

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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.