Home / 47,121.07-70,681.42-12,060.67

Finding the Fourth Proportional to 47,121.07, 70,681.42 and 12,060.67

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Solution

The fourth proportional to 47,121.07, 70,681.42 and 12,060.67 is: 18,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.07 : 70,681.42 = 12,060.67 : x
  2. Step 2: Convert to fraction form
    47,121.07/70,681.42 = 12,060.67/x
  3. Step 3: Cross multiply
    47,121.07x = 70,681.42 × 12,060.67
  4. Step 4: Simplify right side
    47,121.07x = 852,465,281.75
  5. Step 5: Solve for x
    x = 852,465,281.75/47,121.07
  6. Step 6: Final answer
    x = 18,090.96

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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.