Home / 79,041.14-109,068.45-47,205.62

Finding the Fourth Proportional to 79,041.14, 109,068.45 and 47,205.62

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Solution

The fourth proportional to 79,041.14, 109,068.45 and 47,205.62 is: 65,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041.14 : 109,068.45 = 47,205.62 : x
  2. Step 2: Convert to fraction form
    79,041.14/109,068.45 = 47,205.62/x
  3. Step 3: Cross multiply
    79,041.14x = 109,068.45 × 47,205.62
  4. Step 4: Simplify right side
    79,041.14x = 5,148,643,804.69
  5. Step 5: Solve for x
    x = 5,148,643,804.69/79,041.14
  6. Step 6: Final answer
    x = 65,138.78

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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.