Home / 115,964.70-173,979.45-56,802.30

Finding the Fourth Proportional to 115,964.70, 173,979.45 and 56,802.30

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Solution

The fourth proportional to 115,964.70, 173,979.45 and 56,802.30 is: 85,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.70 : 173,979.45 = 56,802.30 : x
  2. Step 2: Convert to fraction form
    115,964.70/173,979.45 = 56,802.30/x
  3. Step 3: Cross multiply
    115,964.70x = 173,979.45 × 56,802.30
  4. Step 4: Simplify right side
    115,964.70x = 9,882,432,912.74
  5. Step 5: Solve for x
    x = 9,882,432,912.74/115,964.70
  6. Step 6: Final answer
    x = 85,219.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.