Home / 52,128.12-71,884.08-46,367.40

Finding the Fourth Proportional to 52,128.12, 71,884.08 and 46,367.40

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Solution

The fourth proportional to 52,128.12, 71,884.08 and 46,367.40 is: 63,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.12 : 71,884.08 = 46,367.40 : x
  2. Step 2: Convert to fraction form
    52,128.12/71,884.08 = 46,367.40/x
  3. Step 3: Cross multiply
    52,128.12x = 71,884.08 × 46,367.40
  4. Step 4: Simplify right side
    52,128.12x = 3,333,077,890.99
  5. Step 5: Solve for x
    x = 3,333,077,890.99/52,128.12
  6. Step 6: Final answer
    x = 63,940.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.