Home / 79,020.56-109,048.48-43,210.46

Finding the Fourth Proportional to 79,020.56, 109,048.48 and 43,210.46

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Solution

The fourth proportional to 79,020.56, 109,048.48 and 43,210.46 is: 59,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.56 : 109,048.48 = 43,210.46 : x
  2. Step 2: Convert to fraction form
    79,020.56/109,048.48 = 43,210.46/x
  3. Step 3: Cross multiply
    79,020.56x = 109,048.48 × 43,210.46
  4. Step 4: Simplify right side
    79,020.56x = 4,712,035,147.70
  5. Step 5: Solve for x
    x = 4,712,035,147.70/79,020.56
  6. Step 6: Final answer
    x = 59,630.49

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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.