Home / 83,445.58-125,176.07-27,285.98

Finding the Fourth Proportional to 83,445.58, 125,176.07 and 27,285.98

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Solution

The fourth proportional to 83,445.58, 125,176.07 and 27,285.98 is: 40,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.58 : 125,176.07 = 27,285.98 : x
  2. Step 2: Convert to fraction form
    83,445.58/125,176.07 = 27,285.98/x
  3. Step 3: Cross multiply
    83,445.58x = 125,176.07 × 27,285.98
  4. Step 4: Simplify right side
    83,445.58x = 3,415,551,742.50
  5. Step 5: Solve for x
    x = 3,415,551,742.50/83,445.58
  6. Step 6: Final answer
    x = 40,931.49

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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.