Home / 83,732.40-125,598.60-28,328.40

Finding the Fourth Proportional to 83,732.40, 125,598.60 and 28,328.40

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Solution

The fourth proportional to 83,732.40, 125,598.60 and 28,328.40 is: 42,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.40 : 125,598.60 = 28,328.40 : x
  2. Step 2: Convert to fraction form
    83,732.40/125,598.60 = 28,328.40/x
  3. Step 3: Cross multiply
    83,732.40x = 125,598.60 × 28,328.40
  4. Step 4: Simplify right side
    83,732.40x = 3,558,007,380.24
  5. Step 5: Solve for x
    x = 3,558,007,380.24/83,732.40
  6. Step 6: Final answer
    x = 42,492.60

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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.