Home / 47,256.28-70,898.28-13,977.22

Finding the Fourth Proportional to 47,256.28, 70,898.28 and 13,977.22

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Solution

The fourth proportional to 47,256.28, 70,898.28 and 13,977.22 is: 20,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256.28 : 70,898.28 = 13,977.22 : x
  2. Step 2: Convert to fraction form
    47,256.28/70,898.28 = 13,977.22/x
  3. Step 3: Cross multiply
    47,256.28x = 70,898.28 × 13,977.22
  4. Step 4: Simplify right side
    47,256.28x = 990,960,857.18
  5. Step 5: Solve for x
    x = 990,960,857.18/47,256.28
  6. Step 6: Final answer
    x = 20,969.93

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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.