Home / 113,029.20-169,423.50-53,739.63

Finding the Fourth Proportional to 113,029.20, 169,423.50 and 53,739.63

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Solution

The fourth proportional to 113,029.20, 169,423.50 and 53,739.63 is: 80,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,029.20 : 169,423.50 = 53,739.63 : x
  2. Step 2: Convert to fraction form
    113,029.20/169,423.50 = 53,739.63/x
  3. Step 3: Cross multiply
    113,029.20x = 169,423.50 × 53,739.63
  4. Step 4: Simplify right side
    113,029.20x = 9,104,756,203.31
  5. Step 5: Solve for x
    x = 9,104,756,203.31/113,029.20
  6. Step 6: Final answer
    x = 80,552.25

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1.5x scale

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.