Home / 74,666.92-103,138.52-55,771.24

Finding the Fourth Proportional to 74,666.92, 103,138.52 and 55,771.24

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Solution

The fourth proportional to 74,666.92, 103,138.52 and 55,771.24 is: 77,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.92 : 103,138.52 = 55,771.24 : x
  2. Step 2: Convert to fraction form
    74,666.92/103,138.52 = 55,771.24/x
  3. Step 3: Cross multiply
    74,666.92x = 103,138.52 × 55,771.24
  4. Step 4: Simplify right side
    74,666.92x = 5,752,163,152.16
  5. Step 5: Solve for x
    x = 5,752,163,152.16/74,666.92
  6. Step 6: Final answer
    x = 77,037.64

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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.