Home / 53,160.98-73,329.71-31,636.29

Finding the Fourth Proportional to 53,160.98, 73,329.71 and 31,636.29

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Solution

The fourth proportional to 53,160.98, 73,329.71 and 31,636.29 is: 43,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.98 : 73,329.71 = 31,636.29 : x
  2. Step 2: Convert to fraction form
    53,160.98/73,329.71 = 31,636.29/x
  3. Step 3: Cross multiply
    53,160.98x = 73,329.71 × 31,636.29
  4. Step 4: Simplify right side
    53,160.98x = 2,319,879,812.99
  5. Step 5: Solve for x
    x = 2,319,879,812.99/53,160.98
  6. Step 6: Final answer
    x = 43,638.77

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1.5x scale

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.