Home / 80,527.16-120,834.18-47,312.10

Finding the Fourth Proportional to 80,527.16, 120,834.18 and 47,312.10

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Solution

The fourth proportional to 80,527.16, 120,834.18 and 47,312.10 is: 70,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,527.16 : 120,834.18 = 47,312.10 : x
  2. Step 2: Convert to fraction form
    80,527.16/120,834.18 = 47,312.10/x
  3. Step 3: Cross multiply
    80,527.16x = 120,834.18 × 47,312.10
  4. Step 4: Simplify right side
    80,527.16x = 5,716,918,807.58
  5. Step 5: Solve for x
    x = 5,716,918,807.58/80,527.16
  6. Step 6: Final answer
    x = 70,993.67

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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.