Home / 67,421.26-93,002.06-43,213.60

Finding the Fourth Proportional to 67,421.26, 93,002.06 and 43,213.60

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Solution

The fourth proportional to 67,421.26, 93,002.06 and 43,213.60 is: 59,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.26 : 93,002.06 = 43,213.60 : x
  2. Step 2: Convert to fraction form
    67,421.26/93,002.06 = 43,213.60/x
  3. Step 3: Cross multiply
    67,421.26x = 93,002.06 × 43,213.60
  4. Step 4: Simplify right side
    67,421.26x = 4,018,953,820.02
  5. Step 5: Solve for x
    x = 4,018,953,820.02/67,421.26
  6. Step 6: Final answer
    x = 59,609.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.