Home / 53,385.94-73,666.20-29,509.37

Finding the Fourth Proportional to 53,385.94, 73,666.20 and 29,509.37

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Solution

The fourth proportional to 53,385.94, 73,666.20 and 29,509.37 is: 40,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.94 : 73,666.20 = 29,509.37 : x
  2. Step 2: Convert to fraction form
    53,385.94/73,666.20 = 29,509.37/x
  3. Step 3: Cross multiply
    53,385.94x = 73,666.20 × 29,509.37
  4. Step 4: Simplify right side
    53,385.94x = 2,173,842,728.63
  5. Step 5: Solve for x
    x = 2,173,842,728.63/53,385.94
  6. Step 6: Final answer
    x = 40,719.39

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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.