Home / 47,339.10-70,731.34-45,683.51

Finding the Fourth Proportional to 47,339.10, 70,731.34 and 45,683.51

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Solution

The fourth proportional to 47,339.10, 70,731.34 and 45,683.51 is: 68,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.10 : 70,731.34 = 45,683.51 : x
  2. Step 2: Convert to fraction form
    47,339.10/70,731.34 = 45,683.51/x
  3. Step 3: Cross multiply
    47,339.10x = 70,731.34 × 45,683.51
  4. Step 4: Simplify right side
    47,339.10x = 3,231,256,065.17
  5. Step 5: Solve for x
    x = 3,231,256,065.17/47,339.10
  6. Step 6: Final answer
    x = 68,257.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.