Home / 45,124.11-67,685.40-15,541.29

Finding the Fourth Proportional to 45,124.11, 67,685.40 and 15,541.29

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Solution

The fourth proportional to 45,124.11, 67,685.40 and 15,541.29 is: 23,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.11 : 67,685.40 = 15,541.29 : x
  2. Step 2: Convert to fraction form
    45,124.11/67,685.40 = 15,541.29/x
  3. Step 3: Cross multiply
    45,124.11x = 67,685.40 × 15,541.29
  4. Step 4: Simplify right side
    45,124.11x = 1,051,918,430.17
  5. Step 5: Solve for x
    x = 1,051,918,430.17/45,124.11
  6. Step 6: Final answer
    x = 23,311.67

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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.