Home / 47,298.28-70,899.51-30,668.86

Finding the Fourth Proportional to 47,298.28, 70,899.51 and 30,668.86

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Solution

The fourth proportional to 47,298.28, 70,899.51 and 30,668.86 is: 45,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,298.28 : 70,899.51 = 30,668.86 : x
  2. Step 2: Convert to fraction form
    47,298.28/70,899.51 = 30,668.86/x
  3. Step 3: Cross multiply
    47,298.28x = 70,899.51 × 30,668.86
  4. Step 4: Simplify right side
    47,298.28x = 2,174,407,146.26
  5. Step 5: Solve for x
    x = 2,174,407,146.26/47,298.28
  6. Step 6: Final answer
    x = 45,972.22

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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.