Home / 53,478.69-73,801.47-29,279.25

Finding the Fourth Proportional to 53,478.69, 73,801.47 and 29,279.25

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Solution

The fourth proportional to 53,478.69, 73,801.47 and 29,279.25 is: 40,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.69 : 73,801.47 = 29,279.25 : x
  2. Step 2: Convert to fraction form
    53,478.69/73,801.47 = 29,279.25/x
  3. Step 3: Cross multiply
    53,478.69x = 73,801.47 × 29,279.25
  4. Step 4: Simplify right side
    53,478.69x = 2,160,851,690.50
  5. Step 5: Solve for x
    x = 2,160,851,690.50/53,478.69
  6. Step 6: Final answer
    x = 40,405.85

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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.