Home / 47,146.47-70,579.26-30,457.77

Finding the Fourth Proportional to 47,146.47, 70,579.26 and 30,457.77

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Solution

The fourth proportional to 47,146.47, 70,579.26 and 30,457.77 is: 45,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.47 : 70,579.26 = 30,457.77 : x
  2. Step 2: Convert to fraction form
    47,146.47/70,579.26 = 30,457.77/x
  3. Step 3: Cross multiply
    47,146.47x = 70,579.26 × 30,457.77
  4. Step 4: Simplify right side
    47,146.47x = 2,149,686,867.85
  5. Step 5: Solve for x
    x = 2,149,686,867.85/47,146.47
  6. Step 6: Final answer
    x = 45,595.92

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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.