Home / 53,733.66-80,730.90-47,435.10

Finding the Fourth Proportional to 53,733.66, 80,730.90 and 47,435.10

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Solution

The fourth proportional to 53,733.66, 80,730.90 and 47,435.10 is: 71,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,733.66 : 80,730.90 = 47,435.10 : x
  2. Step 2: Convert to fraction form
    53,733.66/80,730.90 = 47,435.10/x
  3. Step 3: Cross multiply
    53,733.66x = 80,730.90 × 47,435.10
  4. Step 4: Simplify right side
    53,733.66x = 3,829,478,314.59
  5. Step 5: Solve for x
    x = 3,829,478,314.59/53,733.66
  6. Step 6: Final answer
    x = 71,267.77

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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.