Home / 45,880.17-68,807.78-12,592.35

Finding the Fourth Proportional to 45,880.17, 68,807.78 and 12,592.35

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Solution

The fourth proportional to 45,880.17, 68,807.78 and 12,592.35 is: 18,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,880.17 : 68,807.78 = 12,592.35 : x
  2. Step 2: Convert to fraction form
    45,880.17/68,807.78 = 12,592.35/x
  3. Step 3: Cross multiply
    45,880.17x = 68,807.78 × 12,592.35
  4. Step 4: Simplify right side
    45,880.17x = 866,451,585.52
  5. Step 5: Solve for x
    x = 866,451,585.52/45,880.17
  6. Step 6: Final answer
    x = 18,885.10

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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.