Home / 45,737.70-68,599.59-12,460.38

Finding the Fourth Proportional to 45,737.70, 68,599.59 and 12,460.38

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Solution

The fourth proportional to 45,737.70, 68,599.59 and 12,460.38 is: 18,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,737.70 : 68,599.59 = 12,460.38 : x
  2. Step 2: Convert to fraction form
    45,737.70/68,599.59 = 12,460.38/x
  3. Step 3: Cross multiply
    45,737.70x = 68,599.59 × 12,460.38
  4. Step 4: Simplify right side
    45,737.70x = 854,776,959.24
  5. Step 5: Solve for x
    x = 854,776,959.24/45,737.70
  6. Step 6: Final answer
    x = 18,688.67

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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.