Home / 79,264.85-109,384.23-43,455.11

Finding the Fourth Proportional to 79,264.85, 109,384.23 and 43,455.11

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Solution

The fourth proportional to 79,264.85, 109,384.23 and 43,455.11 is: 59,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.85 : 109,384.23 = 43,455.11 : x
  2. Step 2: Convert to fraction form
    79,264.85/109,384.23 = 43,455.11/x
  3. Step 3: Cross multiply
    79,264.85x = 109,384.23 × 43,455.11
  4. Step 4: Simplify right side
    79,264.85x = 4,753,303,362.95
  5. Step 5: Solve for x
    x = 4,753,303,362.95/79,264.85
  6. Step 6: Final answer
    x = 59,967.36

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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.