Home / 79,036.18-109,065.90-43,219.24

Finding the Fourth Proportional to 79,036.18, 109,065.90 and 43,219.24

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Solution

The fourth proportional to 79,036.18, 109,065.90 and 43,219.24 is: 59,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.18 : 109,065.90 = 43,219.24 : x
  2. Step 2: Convert to fraction form
    79,036.18/109,065.90 = 43,219.24/x
  3. Step 3: Cross multiply
    79,036.18x = 109,065.90 × 43,219.24
  4. Step 4: Simplify right side
    79,036.18x = 4,713,745,307.92
  5. Step 5: Solve for x
    x = 4,713,745,307.92/79,036.18
  6. Step 6: Final answer
    x = 59,640.35

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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.