Home / 79,330.98-109,486.45-45,331.67

Finding the Fourth Proportional to 79,330.98, 109,486.45 and 45,331.67

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Solution

The fourth proportional to 79,330.98, 109,486.45 and 45,331.67 is: 62,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330.98 : 109,486.45 = 45,331.67 : x
  2. Step 2: Convert to fraction form
    79,330.98/109,486.45 = 45,331.67/x
  3. Step 3: Cross multiply
    79,330.98x = 109,486.45 × 45,331.67
  4. Step 4: Simplify right side
    79,330.98x = 4,963,203,335.39
  5. Step 5: Solve for x
    x = 4,963,203,335.39/79,330.98
  6. Step 6: Final answer
    x = 62,563.24

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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.