Home / 79,020.60-109,048.44-43,210.68

Finding the Fourth Proportional to 79,020.60, 109,048.44 and 43,210.68

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Solution

The fourth proportional to 79,020.60, 109,048.44 and 43,210.68 is: 59,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.60 : 109,048.44 = 43,210.68 : x
  2. Step 2: Convert to fraction form
    79,020.60/109,048.44 = 43,210.68/x
  3. Step 3: Cross multiply
    79,020.60x = 109,048.44 × 43,210.68
  4. Step 4: Simplify right side
    79,020.60x = 4,712,057,245.34
  5. Step 5: Solve for x
    x = 4,712,057,245.34/79,020.60
  6. Step 6: Final answer
    x = 59,630.74

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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.