Home / 79,520.04-109,738.94-45,528.39

Finding the Fourth Proportional to 79,520.04, 109,738.94 and 45,528.39

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Solution

The fourth proportional to 79,520.04, 109,738.94 and 45,528.39 is: 62,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,520.04 : 109,738.94 = 45,528.39 : x
  2. Step 2: Convert to fraction form
    79,520.04/109,738.94 = 45,528.39/x
  3. Step 3: Cross multiply
    79,520.04x = 109,738.94 × 45,528.39
  4. Step 4: Simplify right side
    79,520.04x = 4,996,237,030.86
  5. Step 5: Solve for x
    x = 4,996,237,030.86/79,520.04
  6. Step 6: Final answer
    x = 62,829.91

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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.