Home / 79,025.76-109,052.07-45,041.61

Finding the Fourth Proportional to 79,025.76, 109,052.07 and 45,041.61

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Solution

The fourth proportional to 79,025.76, 109,052.07 and 45,041.61 is: 62,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.76 : 109,052.07 = 45,041.61 : x
  2. Step 2: Convert to fraction form
    79,025.76/109,052.07 = 45,041.61/x
  3. Step 3: Cross multiply
    79,025.76x = 109,052.07 × 45,041.61
  4. Step 4: Simplify right side
    79,025.76x = 4,911,880,806.63
  5. Step 5: Solve for x
    x = 4,911,880,806.63/79,025.76
  6. Step 6: Final answer
    x = 62,155.44

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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.